42090621

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1987}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 58781184

約数和(自身を除く): 16690563

約数列:

[1, 3, 23, 69, 307, 921, 1987, 5961, 7061, 21183, 45701, 137103, 610009, 1830027, 14030207, 42090621]

約数ペア:

[(1, 42090621), (3, 14030207), (23, 1830027), (69, 610009), (307, 137103), (921, 45701), (1987, 21183), (5961, 7061)]