1394263731

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{135221}}^1$

素因数の和:135722

約数の個数: 16

約数和(自身を含む): 2128935168

約数和(自身を除く): 734671437

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 10311, 135221, 405663, 946547, 2839641, 66393511, 199180533, 464754577, 1394263731]

約数ペア:

[(1, 1394263731), (3, 464754577), (7, 199180533), (21, 66393511), (491, 2839641), (1473, 946547), (3437, 405663), (10311, 135221)]