13195905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1663}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 22084608

約数和(自身を除く): 8888703

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 1663, 2645, 4989, 7935, 8315, 24945, 38249, 114747, 191245, 573735, 879727, 2639181, 4398635, 13195905]

約数ペア:

[(1, 13195905), (3, 4398635), (5, 2639181), (15, 879727), (23, 573735), (69, 191245), (115, 114747), (345, 38249), (529, 24945), (1587, 8315), (1663, 7935), (2645, 4989)]