289912857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 427660800

約数和(自身を除く): 137747943

約数列:

[1, 3, 13, 39, 73, 79, 219, 237, 949, 1027, 1289, 2847, 3081, 3867, 5767, 16757, 17301, 50271, 74971, 94097, 101831, 224913, 282291, 305493, 1223261, 1323803, 3669783, 3971409, 7433663, 22300989, 96637619, 289912857]

約数ペア:

[(1, 289912857), (3, 96637619), (13, 22300989), (39, 7433663), (73, 3971409), (79, 3669783), (219, 1323803), (237, 1223261), (949, 305493), (1027, 282291), (1289, 224913), (2847, 101831), (3081, 94097), (3867, 74971), (5767, 50271), (16757, 17301)]