12881781

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{3943}}^1$

素因数の和:3974

約数の個数: 24

約数和(自身を含む): 20982080

約数和(自身を除く): 8100299

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 3943, 11829, 35487, 43373, 106461, 130119, 390357, 477103, 1171071, 1431309, 4293927, 12881781]

約数ペア:

[(1, 12881781), (3, 4293927), (9, 1431309), (11, 1171071), (27, 477103), (33, 390357), (99, 130119), (121, 106461), (297, 43373), (363, 35487), (1089, 11829), (3267, 3943)]