90201867

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{20357}}^1$

素因数の和:20578

約数の個数: 16

約数和(自身を含む): 138108672

約数和(自身を除く): 47906805

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 20357, 61071, 142499, 427497, 4295327, 12885981, 30067289, 90201867]

約数ペア:

[(1, 90201867), (3, 30067289), (7, 12885981), (21, 4295327), (211, 427497), (633, 142499), (1477, 61071), (4431, 20357)]