15065721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4957

約数の個数: 24

約数和(自身を含む): 24510720

約数和(自身を除く): 9444999

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 4909, 14727, 44181, 53999, 152179, 161997, 456537, 485991, 1369611, 1673969, 5021907, 15065721]

約数ペア:

[(1, 15065721), (3, 5021907), (9, 1673969), (11, 1369611), (31, 485991), (33, 456537), (93, 161997), (99, 152179), (279, 53999), (341, 44181), (1023, 14727), (3069, 4909)]