190012905

素因数分解:

$3^3\times 5^1\times {\mathrm{1407503}}^1$

素因数の和:1407517

約数の個数: 16

約数和(自身を含む): 337800960

約数和(自身を除く): 147788055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1407503, 4222509, 7037515, 12667527, 21112545, 38002581, 63337635, 190012905]

約数ペア:

[(1, 190012905), (3, 63337635), (5, 38002581), (9, 21112545), (15, 12667527), (27, 7037515), (45, 4222509), (135, 1407503)]