71378307

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 150528000

約数和(自身を除く): 79149693

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 27, 33, 39, 57, 63, 77, 91, 99, 117, 133, 139, 143, 171, 189, 209, 231, 247, 273, 297, 351, 399, 417, 429, 513, 627, 693, 741, 819, 973, 1001, 1197, 1251, 1287, 1463, 1529, 1729, 1807, 1881, 2079, 2223, 2457, 2641, 2717, 2919, 3003, 3591, 3753, 3861, 4389, 4587, 5187, 5421, 5643, 6669, 7923, 8151, 8757, 9009, 10703, 12649, 13167, 13761, 15561, 16263, 18487, 19019, 19877, 23769, 24453, 26271, 27027, 29051, 32109, 34333, 37947, 39501, 41283, 46683, 48789, 55461, 57057, 59631, 71307, 73359, 87153, 96327, 102999, 113841, 139139, 166383, 171171, 178893, 203357, 240331, 261459, 288981, 308997, 341523, 377663, 417417, 499149, 513513, 536679, 610071, 720993, 784377, 926991, 1132989, 1252251, 1830213, 2162979, 2643641, 3398967, 3756753, 5490639, 6488937, 7930923, 10196901, 23792769, 71378307]

約数ペア:

[(1, 71378307), (3, 23792769), (7, 10196901), (9, 7930923), (11, 6488937), (13, 5490639), (19, 3756753), (21, 3398967), (27, 2643641), (33, 2162979), (39, 1830213), (57, 1252251), (63, 1132989), (77, 926991), (91, 784377), (99, 720993), (117, 610071), (133, 536679), (139, 513513), (143, 499149), (171, 417417), (189, 377663), (209, 341523), (231, 308997), (247, 288981), (273, 261459), (297, 240331), (351, 203357), (399, 178893), (417, 171171), (429, 166383), (513, 139139), (627, 113841), (693, 102999), (741, 96327), (819, 87153), (973, 73359), (1001, 71307), (1197, 59631), (1251, 57057), (1287, 55461), (1463, 48789), (1529, 46683), (1729, 41283), (1807, 39501), (1881, 37947), (2079, 34333), (2223, 32109), (2457, 29051), (2641, 27027), (2717, 26271), (2919, 24453), (3003, 23769), (3591, 19877), (3753, 19019), (3861, 18487), (4389, 16263), (4587, 15561), (5187, 13761), (5421, 13167), (5643, 12649), (6669, 10703), (7923, 9009), (8151, 8757)]