15957825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1298

約数の個数: 36

約数和(自身を含む): 28591920

約数和(自身を除く): 12634095

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1259, 2535, 3777, 4225, 6295, 12675, 16367, 18885, 31475, 49101, 81835, 94425, 212771, 245505, 409175, 638313, 1063855, 1227525, 3191565, 5319275, 15957825]

約数ペア:

[(1, 15957825), (3, 5319275), (5, 3191565), (13, 1227525), (15, 1063855), (25, 638313), (39, 409175), (65, 245505), (75, 212771), (169, 94425), (195, 81835), (325, 49101), (507, 31475), (845, 18885), (975, 16367), (1259, 12675), (2535, 6295), (3777, 4225)]