64073745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 119688192

約数和(自身を除く): 55614447

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 1035, 1395, 1997, 2139, 3565, 5991, 6417, 9985, 10695, 17973, 29955, 32085, 45931, 61907, 89865, 137793, 185721, 229655, 309535, 413379, 557163, 688965, 928605, 1423861, 2066895, 2785815, 4271583, 7119305, 12814749, 21357915, 64073745]

約数ペア:

[(1, 64073745), (3, 21357915), (5, 12814749), (9, 7119305), (15, 4271583), (23, 2785815), (31, 2066895), (45, 1423861), (69, 928605), (93, 688965), (115, 557163), (155, 413379), (207, 309535), (279, 229655), (345, 185721), (465, 137793), (713, 89865), (1035, 61907), (1395, 45931), (1997, 32085), (2139, 29955), (3565, 17973), (5991, 10695), (6417, 9985)]