2012137605

素因数分解:

$3^4\times 5^1\times {\mathrm{4968241}}^1$

素因数の和:4968258

約数の個数: 20

約数和(自身を含む): 3606943692

約数和(自身を除く): 1594806087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4968241, 14904723, 24841205, 44714169, 74523615, 134142507, 223570845, 402427521, 670712535, 2012137605]

約数ペア:

[(1, 2012137605), (3, 670712535), (5, 402427521), (9, 223570845), (15, 134142507), (27, 74523615), (45, 44714169), (81, 24841205), (135, 14904723), (405, 4968241)]