251304999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12107}}^1$

素因数の和:12175

約数の個数: 32

約数和(自身を含む): 397529856

約数和(自身を除く): 146224857

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 1221, 1887, 6919, 12107, 20757, 36321, 133177, 205819, 399531, 447959, 617457, 1343877, 2264009, 4927549, 6792027, 7615303, 14782647, 22845909, 83768333, 251304999]

約数ペア:

[(1, 251304999), (3, 83768333), (11, 22845909), (17, 14782647), (33, 7615303), (37, 6792027), (51, 4927549), (111, 2264009), (187, 1343877), (407, 617457), (561, 447959), (629, 399531), (1221, 205819), (1887, 133177), (6919, 36321), (12107, 20757)]