71461455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21557}}^1$

素因数の和:21595

約数の個数: 32

約数和(自身を含む): 130382784

約数和(自身を除く): 58921329

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21557, 64671, 107785, 280241, 323355, 366469, 840723, 1099407, 1401205, 1832345, 4203615, 4764097, 5497035, 14292291, 23820485, 71461455]

約数ペア:

[(1, 71461455), (3, 23820485), (5, 14292291), (13, 5497035), (15, 4764097), (17, 4203615), (39, 1832345), (51, 1401205), (65, 1099407), (85, 840723), (195, 366469), (221, 323355), (255, 280241), (663, 107785), (1105, 64671), (3315, 21557)]