399156771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4231}}^1$

素因数の和:4347

約数の個数: 32

約数和(自身を含む): 597219840

約数和(自身を除く): 198063069

約数列:

[1, 3, 13, 39, 41, 59, 123, 177, 533, 767, 1599, 2301, 2419, 4231, 7257, 12693, 31447, 55003, 94341, 165009, 173471, 249629, 520413, 748887, 2255123, 3245177, 6765369, 9735531, 10234789, 30704367, 133052257, 399156771]

約数ペア:

[(1, 399156771), (3, 133052257), (13, 30704367), (39, 10234789), (41, 9735531), (59, 6765369), (123, 3245177), (177, 2255123), (533, 748887), (767, 520413), (1599, 249629), (2301, 173471), (2419, 165009), (4231, 94341), (7257, 55003), (12693, 31447)]