9639405

素因数分解:

$3^4\times 5^1\times {\mathrm{23801}}^1$

素因数の和:23818

約数の個数: 20

約数和(自身を含む): 17280252

約数和(自身を除く): 7640847

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 23801, 71403, 119005, 214209, 357015, 642627, 1071045, 1927881, 3213135, 9639405]

約数ペア:

[(1, 9639405), (3, 3213135), (5, 1927881), (9, 1071045), (15, 642627), (27, 357015), (45, 214209), (81, 119005), (135, 71403), (405, 23801)]