15151981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 17965640

約数和(自身を除く): 2813659

約数列:

[1, 13, 17, 37, 109, 221, 289, 481, 629, 1417, 1853, 3757, 4033, 8177, 10693, 24089, 31501, 52429, 68561, 139009, 409513, 891293, 1165537, 15151981]

約数ペア:

[(1, 15151981), (13, 1165537), (17, 891293), (37, 409513), (109, 139009), (221, 68561), (289, 52429), (481, 31501), (629, 24089), (1417, 10693), (1853, 8177), (3757, 4033)]