289386945

素因数分解:

$3^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1663}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 515174400

約数和(自身を除く): 225787455

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1289, 1663, 3867, 4989, 6445, 8315, 11601, 14967, 19335, 24945, 34803, 44901, 58005, 74835, 174015, 224505, 2143607, 6430821, 10718035, 19292463, 32154105, 57877389, 96462315, 289386945]

約数ペア:

[(1, 289386945), (3, 96462315), (5, 57877389), (9, 32154105), (15, 19292463), (27, 10718035), (45, 6430821), (135, 2143607), (1289, 224505), (1663, 174015), (3867, 74835), (4989, 58005), (6445, 44901), (8315, 34803), (11601, 24945), (14967, 19335)]