201558231

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{68071}}^1$

素因数の和:68131

約数の個数: 24

約数和(自身を含む): 339815424

約数和(自身を除く): 138257193

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 68071, 204213, 476497, 612639, 1429491, 3199337, 4288473, 9598011, 22395359, 28794033, 67186077, 201558231]

約数ペア:

[(1, 201558231), (3, 67186077), (7, 28794033), (9, 22395359), (21, 9598011), (47, 4288473), (63, 3199337), (141, 1429491), (329, 612639), (423, 476497), (987, 204213), (2961, 68071)]