3961305

素因数分解:

$3^4\times 5^1\times {\mathrm{9781}}^1$

素因数の和:9798

約数の個数: 20

約数和(自身を含む): 7101732

約数和(自身を除く): 3140427

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9781, 29343, 48905, 88029, 146715, 264087, 440145, 792261, 1320435, 3961305]

約数ペア:

[(1, 3961305), (3, 1320435), (5, 792261), (9, 440145), (15, 264087), (27, 146715), (45, 88029), (81, 48905), (135, 29343), (405, 9781)]