128400435

素因数分解:

$3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3527}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 222899040

約数和(自身を除く): 94498605

約数列:

[1, 3, 5, 9, 15, 45, 809, 2427, 3527, 4045, 7281, 10581, 12135, 17635, 31743, 36405, 52905, 158715, 2853343, 8560029, 14266715, 25680087, 42800145, 128400435]

約数ペア:

[(1, 128400435), (3, 42800145), (5, 25680087), (9, 14266715), (15, 8560029), (45, 2853343), (809, 158715), (2427, 52905), (3527, 36405), (4045, 31743), (7281, 17635), (10581, 12135)]