15753985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 22044960

約数和(自身を除く): 6290975

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 269, 689, 901, 1105, 1345, 3445, 3497, 4505, 4573, 11713, 14257, 17485, 22865, 58565, 59449, 71285, 185341, 242369, 297245, 926705, 1211845, 3150797, 15753985]

約数ペア:

[(1, 15753985), (5, 3150797), (13, 1211845), (17, 926705), (53, 297245), (65, 242369), (85, 185341), (221, 71285), (265, 59449), (269, 58565), (689, 22865), (901, 17485), (1105, 14257), (1345, 11713), (3445, 4573), (3497, 4505)]