240885

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 24

約数和(自身を含む): 429624

約数和(自身を除く): 188739

約数列:

[1, 3, 5, 9, 15, 45, 53, 101, 159, 265, 303, 477, 505, 795, 909, 1515, 2385, 4545, 5353, 16059, 26765, 48177, 80295, 240885]

約数ペア:

[(1, 240885), (3, 80295), (5, 48177), (9, 26765), (15, 16059), (45, 5353), (53, 4545), (101, 2385), (159, 1515), (265, 909), (303, 795), (477, 505)]