387788121

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{38713}}^1$

素因数の和:38782

約数の個数: 32

約数和(自身を含む): 668977920

約数和(自身を除く): 281189799

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 38713, 116139, 270991, 348417, 812973, 1045251, 2051789, 2438919, 6155367, 7316757, 14362523, 18466101, 43087569, 55398303, 129262707, 387788121]

約数ペア:

[(1, 387788121), (3, 129262707), (7, 55398303), (9, 43087569), (21, 18466101), (27, 14362523), (53, 7316757), (63, 6155367), (159, 2438919), (189, 2051789), (371, 1045251), (477, 812973), (1113, 348417), (1431, 270991), (3339, 116139), (10017, 38713)]