731260209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 1022681088

約数和(自身を除く): 291420879

約数列:

[1, 3, 31, 93, 131, 193, 311, 393, 579, 933, 4061, 5983, 9641, 12183, 17949, 25283, 28923, 40741, 60023, 75849, 122223, 180069, 783773, 1262971, 1860713, 2351319, 3788913, 5582139, 7863013, 23589039, 243753403, 731260209]

約数ペア:

[(1, 731260209), (3, 243753403), (31, 23589039), (93, 7863013), (131, 5582139), (193, 3788913), (311, 2351319), (393, 1860713), (579, 1262971), (933, 783773), (4061, 180069), (5983, 122223), (9641, 75849), (12183, 60023), (17949, 40741), (25283, 28923)]