127123405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{3613}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 158206464

約数和(自身を除く): 31083059

約数列:

[1, 5, 31, 155, 227, 1135, 3613, 7037, 18065, 35185, 112003, 560015, 820151, 4100755, 25424681, 127123405]

約数ペア:

[(1, 127123405), (5, 25424681), (31, 4100755), (155, 820151), (227, 560015), (1135, 112003), (3613, 35185), (7037, 18065)]