17920975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 23770800

約数和(自身を除く): 5849825

約数列:

[1, 5, 17, 25, 85, 149, 283, 425, 745, 1415, 2533, 3725, 4811, 7075, 12665, 24055, 42167, 63325, 120275, 210835, 716839, 1054175, 3584195, 17920975]

約数ペア:

[(1, 17920975), (5, 3584195), (17, 1054175), (25, 716839), (85, 210835), (149, 120275), (283, 63325), (425, 42167), (745, 24055), (1415, 12665), (2533, 7075), (3725, 4811)]