16871205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 29272320

約数和(自身を除く): 12401115

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 241, 359, 723, 1077, 1205, 1795, 3133, 3615, 4667, 5385, 9399, 14001, 15665, 23335, 46995, 70005, 86519, 259557, 432595, 1124747, 1297785, 3374241, 5623735, 16871205]

約数ペア:

[(1, 16871205), (3, 5623735), (5, 3374241), (13, 1297785), (15, 1124747), (39, 432595), (65, 259557), (195, 86519), (241, 70005), (359, 46995), (723, 23335), (1077, 15665), (1205, 14001), (1795, 9399), (3133, 5385), (3615, 4667)]