31209948

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:179

約数の個数: 168

約数和(自身を含む): 102829440

約数和(自身を除く): 71619492

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 139, 154, 162, 189, 198, 231, 243, 252, 278, 297, 308, 324, 378, 396, 417, 462, 486, 556, 567, 594, 693, 729, 756, 834, 891, 924, 972, 973, 1134, 1188, 1251, 1386, 1458, 1529, 1668, 1701, 1782, 1946, 2079, 2268, 2502, 2673, 2772, 2916, 2919, 3058, 3402, 3564, 3753, 3892, 4158, 4587, 5004, 5103, 5346, 5838, 6116, 6237, 6804, 7506, 8019, 8316, 8757, 9174, 10206, 10692, 10703, 11259, 11676, 12474, 13761, 15012, 16038, 17514, 18348, 18711, 20412, 21406, 22518, 24948, 26271, 27522, 32076, 32109, 33777, 35028, 37422, 41283, 42812, 45036, 52542, 55044, 56133, 64218, 67554, 74844, 78813, 82566, 96327, 101331, 105084, 112266, 123849, 128436, 135108, 157626, 165132, 192654, 202662, 224532, 236439, 247698, 288981, 315252, 371547, 385308, 405324, 472878, 495396, 577962, 709317, 743094, 866943, 945756, 1114641, 1155924, 1418634, 1486188, 1733886, 2229282, 2600829, 2837268, 3467772, 4458564, 5201658, 7802487, 10403316, 15604974, 31209948]

約数ペア:

[(1, 31209948), (2, 15604974), (3, 10403316), (4, 7802487), (6, 5201658), (7, 4458564), (9, 3467772), (11, 2837268), (12, 2600829), (14, 2229282), (18, 1733886), (21, 1486188), (22, 1418634), (27, 1155924), (28, 1114641), (33, 945756), (36, 866943), (42, 743094), (44, 709317), (54, 577962), (63, 495396), (66, 472878), (77, 405324), (81, 385308), (84, 371547), (99, 315252), (108, 288981), (126, 247698), (132, 236439), (139, 224532), (154, 202662), (162, 192654), (189, 165132), (198, 157626), (231, 135108), (243, 128436), (252, 123849), (278, 112266), (297, 105084), (308, 101331), (324, 96327), (378, 82566), (396, 78813), (417, 74844), (462, 67554), (486, 64218), (556, 56133), (567, 55044), (594, 52542), (693, 45036), (729, 42812), (756, 41283), (834, 37422), (891, 35028), (924, 33777), (972, 32109), (973, 32076), (1134, 27522), (1188, 26271), (1251, 24948), (1386, 22518), (1458, 21406), (1529, 20412), (1668, 18711), (1701, 18348), (1782, 17514), (1946, 16038), (2079, 15012), (2268, 13761), (2502, 12474), (2673, 11676), (2772, 11259), (2916, 10703), (2919, 10692), (3058, 10206), (3402, 9174), (3564, 8757), (3753, 8316), (3892, 8019), (4158, 7506), (4587, 6804), (5004, 6237), (5103, 6116), (5346, 5838)]