201991947

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{20177}}^1$

素因数の和:20298

約数の個数: 16

約数和(自身を含む): 278940672

約数和(自身を除く): 76948725

約数列:

[1, 3, 47, 71, 141, 213, 3337, 10011, 20177, 60531, 948319, 1432567, 2844957, 4297701, 67330649, 201991947]

約数ペア:

[(1, 201991947), (3, 67330649), (47, 4297701), (71, 2844957), (141, 1432567), (213, 948319), (3337, 60531), (10011, 20177)]