17420925

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 29080480

約数和(自身を除く): 11659555

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2131, 2725, 6393, 8175, 10655, 31965, 53275, 159825, 232279, 696837, 1161395, 3484185, 5806975, 17420925]

約数ペア:

[(1, 17420925), (3, 5806975), (5, 3484185), (15, 1161395), (25, 696837), (75, 232279), (109, 159825), (327, 53275), (545, 31965), (1635, 10655), (2131, 8175), (2725, 6393)]