153940115

素因数分解:

$5^1\times 7^4\times {\mathrm{12823}}^1$

素因数の和:12856

約数の個数: 20

約数和(自身を含む): 215520144

約数和(自身を除く): 61580029

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 12005, 12823, 64115, 89761, 448805, 628327, 3141635, 4398289, 21991445, 30788023, 153940115]

約数ペア:

[(1, 153940115), (5, 30788023), (7, 21991445), (35, 4398289), (49, 3141635), (245, 628327), (343, 448805), (1715, 89761), (2401, 64115), (12005, 12823)]