980252685

素因数分解:

$3^4\times 5^1\times {\mathrm{2420377}}^1$

素因数の和:2420394

約数の個数: 20

約数和(自身を含む): 1757194428

約数和(自身を除く): 776941743

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2420377, 7261131, 12101885, 21783393, 36305655, 65350179, 108916965, 196050537, 326750895, 980252685]

約数ペア:

[(1, 980252685), (3, 326750895), (5, 196050537), (9, 108916965), (15, 65350179), (27, 36305655), (45, 21783393), (81, 12101885), (135, 7261131), (405, 2420377)]