66180645

素因数分解:

$3^4\times 5^1\times {\mathrm{163409}}^1$

素因数の和:163426

約数の個数: 20

約数和(自身を含む): 118635660

約数和(自身を除く): 52455015

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 163409, 490227, 817045, 1470681, 2451135, 4412043, 7353405, 13236129, 22060215, 66180645]

約数ペア:

[(1, 66180645), (3, 22060215), (5, 13236129), (9, 7353405), (15, 4412043), (27, 2451135), (45, 1470681), (81, 817045), (135, 490227), (405, 163409)]