425271

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 722304

約数和(自身を除く): 297033

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 263, 539, 789, 1617, 1841, 2893, 5523, 8679, 12887, 20251, 38661, 60753, 141757, 425271]

約数ペア:

[(1, 425271), (3, 141757), (7, 60753), (11, 38661), (21, 20251), (33, 12887), (49, 8679), (77, 5523), (147, 2893), (231, 1841), (263, 1617), (539, 789)]