30921995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 41103888

約数和(自身を除く): 10181893

約数列:

[1, 5, 13, 41, 65, 205, 283, 533, 1415, 1681, 2665, 3679, 8405, 11603, 18395, 21853, 58015, 109265, 150839, 475723, 754195, 2378615, 6184399, 30921995]

約数ペア:

[(1, 30921995), (5, 6184399), (13, 2378615), (41, 754195), (65, 475723), (205, 150839), (283, 109265), (533, 58015), (1415, 21853), (1681, 18395), (2665, 11603), (3679, 8405)]