7987959

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 13325312

約数和(自身を除く): 5337353

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 1231, 2163, 3693, 6489, 8617, 11079, 25851, 77553, 126793, 380379, 887551, 1141137, 2662653, 7987959]

約数ペア:

[(1, 7987959), (3, 2662653), (7, 1141137), (9, 887551), (21, 380379), (63, 126793), (103, 77553), (309, 25851), (721, 11079), (927, 8617), (1231, 6489), (2163, 3693)]