420555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 716688

約数和(自身を除く): 296133

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 529, 795, 1219, 1587, 2645, 3657, 6095, 7935, 18285, 28037, 84111, 140185, 420555]

約数ペア:

[(1, 420555), (3, 140185), (5, 84111), (15, 28037), (23, 18285), (53, 7935), (69, 6095), (115, 3657), (159, 2645), (265, 1587), (345, 1219), (529, 795)]