16020405

素因数分解:

$3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{617}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 27861912

約数和(自身を除く): 11841507

約数列:

[1, 3, 5, 9, 15, 45, 577, 617, 1731, 1851, 2885, 3085, 5193, 5553, 8655, 9255, 25965, 27765, 356009, 1068027, 1780045, 3204081, 5340135, 16020405]

約数ペア:

[(1, 16020405), (3, 5340135), (5, 3204081), (9, 1780045), (15, 1068027), (45, 356009), (577, 27765), (617, 25965), (1731, 9255), (1851, 8655), (2885, 5553), (3085, 5193)]