997689

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 1690848

約数和(自身を除く): 693159

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 617, 1617, 1851, 4319, 6787, 12957, 20361, 30233, 47509, 90699, 142527, 332563, 997689]

約数ペア:

[(1, 997689), (3, 332563), (7, 142527), (11, 90699), (21, 47509), (33, 30233), (49, 20361), (77, 12957), (147, 6787), (231, 4319), (539, 1851), (617, 1617)]