490759971

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1423}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 727265280

約数和(自身を除く): 236505309

約数列:

[1, 3, 13, 37, 39, 111, 239, 481, 717, 1423, 1443, 3107, 4269, 8843, 9321, 18499, 26529, 52651, 55497, 114959, 157953, 340097, 344877, 684463, 1020291, 2053389, 4421261, 12583589, 13263783, 37750767, 163586657, 490759971]

約数ペア:

[(1, 490759971), (3, 163586657), (13, 37750767), (37, 13263783), (39, 12583589), (111, 4421261), (239, 2053389), (481, 1020291), (717, 684463), (1423, 344877), (1443, 340097), (3107, 157953), (4269, 114959), (8843, 55497), (9321, 52651), (18499, 26529)]