81380466

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 180856728

約数和(自身を除く): 99476262

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 137, 183, 274, 366, 411, 541, 549, 822, 1082, 1098, 1233, 1623, 2466, 3246, 4869, 8357, 9738, 16714, 25071, 33001, 50142, 66002, 74117, 75213, 99003, 148234, 150426, 198006, 222351, 297009, 444702, 594018, 667053, 1334106, 4521137, 9042274, 13563411, 27126822, 40690233, 81380466]

約数ペア:

[(1, 81380466), (2, 40690233), (3, 27126822), (6, 13563411), (9, 9042274), (18, 4521137), (61, 1334106), (122, 667053), (137, 594018), (183, 444702), (274, 297009), (366, 222351), (411, 198006), (541, 150426), (549, 148234), (822, 99003), (1082, 75213), (1098, 74117), (1233, 66002), (1623, 50142), (2466, 33001), (3246, 25071), (4869, 16714), (8357, 9738)]