221409171

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1\times {\mathrm{1523}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 331652880

約数和(自身を除く): 110243709

約数列:

[1, 3, 9, 29, 87, 261, 557, 1523, 1671, 4569, 5013, 13707, 16153, 44167, 48459, 132501, 145377, 397503, 848311, 2544933, 7634799, 24601019, 73803057, 221409171]

約数ペア:

[(1, 221409171), (3, 73803057), (9, 24601019), (29, 7634799), (87, 2544933), (261, 848311), (557, 397503), (1523, 145377), (1671, 132501), (4569, 48459), (5013, 44167), (13707, 16153)]