12780711

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2467

約数の個数: 24

約数和(自身を含む): 20067840

約数和(自身を除く): 7287129

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 2411, 5301, 7233, 21699, 45809, 74741, 137427, 224223, 412281, 672669, 1420079, 4260237, 12780711]

約数ペア:

[(1, 12780711), (3, 4260237), (9, 1420079), (19, 672669), (31, 412281), (57, 224223), (93, 137427), (171, 74741), (279, 45809), (589, 21699), (1767, 7233), (2411, 5301)]