71688525

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{22229}}^1$

素因数の和:22285

約数の個数: 24

約数和(自身を含む): 121286880

約数和(自身を除く): 49598355

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 22229, 66687, 111145, 333435, 555725, 955847, 1667175, 2867541, 4779235, 14337705, 23896175, 71688525]

約数ペア:

[(1, 71688525), (3, 23896175), (5, 14337705), (15, 4779235), (25, 2867541), (43, 1667175), (75, 955847), (129, 555725), (215, 333435), (645, 111145), (1075, 66687), (3225, 22229)]