61721075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 86400720

約数和(自身を除く): 24679645

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 359, 529, 575, 1495, 1795, 2645, 4667, 6877, 7475, 8257, 8975, 13225, 23335, 34385, 41285, 107341, 116675, 171925, 189911, 206425, 536705, 949555, 2468843, 2683525, 4747775, 12344215, 61721075]

約数ペア:

[(1, 61721075), (5, 12344215), (13, 4747775), (23, 2683525), (25, 2468843), (65, 949555), (115, 536705), (299, 206425), (325, 189911), (359, 171925), (529, 116675), (575, 107341), (1495, 41285), (1795, 34385), (2645, 23335), (4667, 13225), (6877, 8975), (7475, 8257)]