420453

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 688896

約数和(自身を除く): 268443

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 137, 279, 341, 411, 1023, 1233, 1507, 3069, 4247, 4521, 12741, 13563, 38223, 46717, 140151, 420453]

約数ペア:

[(1, 420453), (3, 140151), (9, 46717), (11, 38223), (31, 13563), (33, 12741), (93, 4521), (99, 4247), (137, 3069), (279, 1507), (341, 1233), (411, 1023)]