28493055

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1579}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 49542480

約数和(自身を除く): 21049425

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 1579, 2005, 3609, 4737, 6015, 7895, 14211, 18045, 23685, 71055, 633179, 1899537, 3165895, 5698611, 9497685, 28493055]

約数ペア:

[(1, 28493055), (3, 9497685), (5, 5698611), (9, 3165895), (15, 1899537), (45, 633179), (401, 71055), (1203, 23685), (1579, 18045), (2005, 14211), (3609, 7895), (4737, 6015)]