407268213

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{30323}}^1$

素因数の和:30385

約数の個数: 24

約数和(自身を含む): 613029984

約数和(自身を除く): 205761771

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 30323, 90969, 333553, 1000659, 1121951, 3365853, 3669083, 11007249, 12341461, 37024383, 135756071, 407268213]

約数ペア:

[(1, 407268213), (3, 135756071), (11, 37024383), (33, 12341461), (37, 11007249), (111, 3669083), (121, 3365853), (363, 1121951), (407, 1000659), (1221, 333553), (4477, 90969), (13431, 30323)]