80280405

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26627}}^1$

素因数の和:26705

約数の個数: 24

約数和(自身を含む): 141234912

約数和(自身を除く): 60954507

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 26627, 79881, 133135, 239643, 399405, 1198215, 1784009, 5352027, 8920045, 16056081, 26760135, 80280405]

約数ペア:

[(1, 80280405), (3, 26760135), (5, 16056081), (9, 8920045), (15, 5352027), (45, 1784009), (67, 1198215), (201, 399405), (335, 239643), (603, 133135), (1005, 79881), (3015, 26627)]