221258427

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{138373}}^1$

素因数の和:138430

約数の個数: 16

約数和(自身を含む): 325455648

約数和(自身を除く): 104197221

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 138373, 415119, 1798849, 5396547, 5673293, 17019879, 73752809, 221258427]

約数ペア:

[(1, 221258427), (3, 73752809), (13, 17019879), (39, 5673293), (41, 5396547), (123, 1798849), (533, 415119), (1599, 138373)]