42639165

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8693}}^1$

素因数の和:8813

約数の個数: 24

約数和(自身を含む): 74594520

約数和(自身を除く): 31955355

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 8693, 26079, 43465, 78237, 130395, 391185, 947537, 2842611, 4737685, 8527833, 14213055, 42639165]

約数ペア:

[(1, 42639165), (3, 14213055), (5, 8527833), (9, 4737685), (15, 2842611), (45, 947537), (109, 391185), (327, 130395), (545, 78237), (981, 43465), (1635, 26079), (4905, 8693)]