12840399

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 21979048

約数和(自身を除く): 9138649

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 907, 1089, 1287, 1573, 2721, 4719, 8163, 9977, 11791, 14157, 29931, 35373, 89793, 106119, 109747, 129701, 329241, 389103, 987723, 1167309, 1426711, 4280133, 12840399]

約数ペア:

[(1, 12840399), (3, 4280133), (9, 1426711), (11, 1167309), (13, 987723), (33, 389103), (39, 329241), (99, 129701), (117, 109747), (121, 106119), (143, 89793), (363, 35373), (429, 29931), (907, 14157), (1089, 11791), (1287, 9977), (1573, 8163), (2721, 4719)]