20161621287

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{163481}}^1$

素因数の和:163751

約数の個数: 24

約数和(自身を含む): 29685715488

約数和(自身を除く): 9524094201

約数列:

[1, 3, 9, 71, 193, 213, 579, 639, 1737, 13703, 41109, 123327, 163481, 490443, 1471329, 11607151, 31551833, 34821453, 94655499, 104464359, 283966497, 2240180143, 6720540429, 20161621287]

約数ペア:

[(1, 20161621287), (3, 6720540429), (9, 2240180143), (71, 283966497), (193, 104464359), (213, 94655499), (579, 34821453), (639, 31551833), (1737, 11607151), (13703, 1471329), (41109, 490443), (123327, 163481)]