16980345

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{941}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 29537352

約数和(自身を除く): 12557007

約数列:

[1, 3, 5, 9, 15, 45, 401, 941, 1203, 2005, 2823, 3609, 4705, 6015, 8469, 14115, 18045, 42345, 377341, 1132023, 1886705, 3396069, 5660115, 16980345]

約数ペア:

[(1, 16980345), (3, 5660115), (5, 3396069), (9, 1886705), (15, 1132023), (45, 377341), (401, 42345), (941, 18045), (1203, 14115), (2005, 8469), (2823, 6015), (3609, 4705)]