390908037

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 576737280

約数和(自身を除く): 185829243

約数列:

[1, 3, 13, 39, 71, 79, 213, 237, 923, 1027, 1787, 2769, 3081, 5361, 5609, 16827, 23231, 69693, 72917, 126877, 141173, 218751, 380631, 423519, 1649401, 1835249, 4948203, 5505747, 10023283, 30069849, 130302679, 390908037]

約数ペア:

[(1, 390908037), (3, 130302679), (13, 30069849), (39, 10023283), (71, 5505747), (79, 4948203), (213, 1835249), (237, 1649401), (923, 423519), (1027, 380631), (1787, 218751), (2769, 141173), (3081, 126877), (5361, 72917), (5609, 69693), (16827, 23231)]