72140175

素因数分解:

$3^2\times 5^2\times {\mathrm{491}}^1\times {\mathrm{653}}^1$

素因数の和:1160

約数の個数: 36

約数和(自身を含む): 129672504

約数和(自身を除く): 57532329

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 491, 653, 1473, 1959, 2455, 3265, 4419, 5877, 7365, 9795, 12275, 16325, 22095, 29385, 36825, 48975, 110475, 146925, 320623, 961869, 1603115, 2885607, 4809345, 8015575, 14428035, 24046725, 72140175]

約数ペア:

[(1, 72140175), (3, 24046725), (5, 14428035), (9, 8015575), (15, 4809345), (25, 2885607), (45, 1603115), (75, 961869), (225, 320623), (491, 146925), (653, 110475), (1473, 48975), (1959, 36825), (2455, 29385), (3265, 22095), (4419, 16325), (5877, 12275), (7365, 9795)]