30728505

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19889}}^1$

素因数の和:20000

約数の個数: 16

約数和(自身を含む): 49645440

約数和(自身を除く): 18916935

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 19889, 59667, 99445, 298335, 2048567, 6145701, 10242835, 30728505]

約数ペア:

[(1, 30728505), (3, 10242835), (5, 6145701), (15, 2048567), (103, 298335), (309, 99445), (515, 59667), (1545, 19889)]