420704445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{572387}}^1$

素因数の和:572409

約数の個数: 24

約数和(自身を含む): 783026784

約数和(自身を除く): 362322339

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 572387, 1717161, 2861935, 4006709, 8585805, 12020127, 20033545, 28046963, 60100635, 84140889, 140234815, 420704445]

約数ペア:

[(1, 420704445), (3, 140234815), (5, 84140889), (7, 60100635), (15, 28046963), (21, 20033545), (35, 12020127), (49, 8585805), (105, 4006709), (147, 2861935), (245, 1717161), (735, 572387)]