16915905

素因数分解:

$3^3\times 5^1\times {\mathrm{125303}}^1$

素因数の和:125317

約数の個数: 16

約数和(自身を含む): 30072960

約数和(自身を除く): 13157055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 125303, 375909, 626515, 1127727, 1879545, 3383181, 5638635, 16915905]

約数ペア:

[(1, 16915905), (3, 5638635), (5, 3383181), (9, 1879545), (15, 1127727), (27, 626515), (45, 375909), (135, 125303)]