28170189

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:941

約数の個数: 24

約数和(自身を含む): 42077880

約数和(自身を除く): 13907691

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 657, 809, 2427, 3869, 7281, 11607, 34821, 42877, 59057, 128631, 177171, 385893, 531513, 3130021, 9390063, 28170189]

約数ペア:

[(1, 28170189), (3, 9390063), (9, 3130021), (53, 531513), (73, 385893), (159, 177171), (219, 128631), (477, 59057), (657, 42877), (809, 34821), (2427, 11607), (3869, 7281)]