7981407

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{839}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 13278720

約数和(自身を除く): 5297313

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 839, 1057, 1359, 2517, 3171, 5873, 7551, 9513, 17619, 52857, 126689, 380067, 886823, 1140201, 2660469, 7981407]

約数ペア:

[(1, 7981407), (3, 2660469), (7, 1140201), (9, 886823), (21, 380067), (63, 126689), (151, 52857), (453, 17619), (839, 9513), (1057, 7551), (1359, 5873), (2517, 3171)]