12868245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21997}}^1$

素因数の和:22021

約数の個数: 24

約数和(自身を含む): 24021816

約数和(自身を除く): 11153571

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 21997, 65991, 109985, 197973, 285961, 329955, 857883, 989865, 1429805, 2573649, 4289415, 12868245]

約数ペア:

[(1, 12868245), (3, 4289415), (5, 2573649), (9, 1429805), (13, 989865), (15, 857883), (39, 329955), (45, 285961), (65, 197973), (117, 109985), (195, 65991), (585, 21997)]