81917892

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 120

約数和(自身を含む): 257759040

約数和(自身を除く): 175841148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 513, 532, 567, 684, 756, 798, 1026, 1134, 1197, 1539, 1596, 1901, 2052, 2268, 2394, 3078, 3591, 3802, 4788, 5703, 6156, 7182, 7604, 10773, 11406, 13307, 14364, 17109, 21546, 22812, 26614, 34218, 36119, 39921, 43092, 51327, 53228, 68436, 72238, 79842, 102654, 108357, 119763, 144476, 153981, 159684, 205308, 216714, 239526, 252833, 307962, 325071, 359289, 433428, 479052, 505666, 615924, 650142, 718578, 758499, 975213, 1011332, 1077867, 1300284, 1437156, 1516998, 1950426, 2155734, 2275497, 2925639, 3033996, 3900852, 4311468, 4550994, 5851278, 6826491, 9101988, 11702556, 13652982, 20479473, 27305964, 40958946, 81917892]

約数ペア:

[(1, 81917892), (2, 40958946), (3, 27305964), (4, 20479473), (6, 13652982), (7, 11702556), (9, 9101988), (12, 6826491), (14, 5851278), (18, 4550994), (19, 4311468), (21, 3900852), (27, 3033996), (28, 2925639), (36, 2275497), (38, 2155734), (42, 1950426), (54, 1516998), (57, 1437156), (63, 1300284), (76, 1077867), (81, 1011332), (84, 975213), (108, 758499), (114, 718578), (126, 650142), (133, 615924), (162, 505666), (171, 479052), (189, 433428), (228, 359289), (252, 325071), (266, 307962), (324, 252833), (342, 239526), (378, 216714), (399, 205308), (513, 159684), (532, 153981), (567, 144476), (684, 119763), (756, 108357), (798, 102654), (1026, 79842), (1134, 72238), (1197, 68436), (1539, 53228), (1596, 51327), (1901, 43092), (2052, 39921), (2268, 36119), (2394, 34218), (3078, 26614), (3591, 22812), (3802, 21546), (4788, 17109), (5703, 14364), (6156, 13307), (7182, 11406), (7604, 10773)]