87170415

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{20681}}^1$

素因数の和:20970

約数の個数: 16

約数和(自身を含む): 139975776

約数和(自身を除く): 52805361

約数列:

[1, 3, 5, 15, 281, 843, 1405, 4215, 20681, 62043, 103405, 310215, 5811361, 17434083, 29056805, 87170415]

約数ペア:

[(1, 87170415), (3, 29056805), (5, 17434083), (15, 5811361), (281, 310215), (843, 103405), (1405, 62043), (4215, 20681)]