42270291

素因数分解:

$3^2\times 7^3\times {\mathrm{13693}}^1$

素因数の和:13720

約数の個数: 24

約数和(自身を含む): 71208800

約数和(自身を除く): 28938509

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 13693, 41079, 95851, 123237, 287553, 670957, 862659, 2012871, 4696699, 6038613, 14090097, 42270291]

約数ペア:

[(1, 42270291), (3, 14090097), (7, 6038613), (9, 4696699), (21, 2012871), (49, 862659), (63, 670957), (147, 287553), (343, 123237), (441, 95851), (1029, 41079), (3087, 13693)]