28225989

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 46696320

約数和(自身を除く): 18470331

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 99, 237, 297, 401, 711, 869, 891, 1203, 2133, 2607, 3609, 4411, 6399, 7821, 10827, 13233, 23463, 31679, 32481, 39699, 70389, 95037, 119097, 285111, 348469, 357291, 855333, 1045407, 2565999, 3136221, 9408663, 28225989]

約数ペア:

[(1, 28225989), (3, 9408663), (9, 3136221), (11, 2565999), (27, 1045407), (33, 855333), (79, 357291), (81, 348469), (99, 285111), (237, 119097), (297, 95037), (401, 70389), (711, 39699), (869, 32481), (891, 31679), (1203, 23463), (2133, 13233), (2607, 10827), (3609, 7821), (4411, 6399)]