40260645

素因数分解:

$3^4\times 5^1\times {\mathrm{99409}}^1$

素因数の和:99426

約数の個数: 20

約数和(自身を含む): 72171660

約数和(自身を除く): 31911015

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 99409, 298227, 497045, 894681, 1491135, 2684043, 4473405, 8052129, 13420215, 40260645]

約数ペア:

[(1, 40260645), (3, 13420215), (5, 8052129), (9, 4473405), (15, 2684043), (27, 1491135), (45, 894681), (81, 497045), (135, 298227), (405, 99409)]