201607821

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 294918624

約数和(自身を除く): 93310803

約数列:

[1, 3, 9, 131, 307, 393, 557, 921, 1179, 1671, 2763, 5013, 40217, 72967, 120651, 170999, 218901, 361953, 512997, 656703, 1538991, 22400869, 67202607, 201607821]

約数ペア:

[(1, 201607821), (3, 67202607), (9, 22400869), (131, 1538991), (307, 656703), (393, 512997), (557, 361953), (921, 218901), (1179, 170999), (1671, 120651), (2763, 72967), (5013, 40217)]