1405440001

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{1247063}}^1$

素因数の和:1247100

約数の個数: 12

約数和(自身を含む): 1705983552

約数和(自身を除く): 300543551

約数列:

[1, 7, 23, 49, 161, 1127, 1247063, 8729441, 28682449, 61106087, 200777143, 1405440001]

約数ペア:

[(1, 1405440001), (7, 200777143), (23, 61106087), (49, 28682449), (161, 8729441), (1127, 1247063)]