15983487

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 26385744

約数和(自身を除く): 10402257

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 351, 353, 387, 559, 1053, 1059, 1161, 1677, 3177, 3483, 4589, 5031, 9531, 13767, 15093, 15179, 28593, 41301, 45279, 45537, 123903, 136611, 197327, 371709, 409833, 591981, 1229499, 1775943, 5327829, 15983487]

約数ペア:

[(1, 15983487), (3, 5327829), (9, 1775943), (13, 1229499), (27, 591981), (39, 409833), (43, 371709), (81, 197327), (117, 136611), (129, 123903), (351, 45537), (353, 45279), (387, 41301), (559, 28593), (1053, 15179), (1059, 15093), (1161, 13767), (1677, 9531), (3177, 5031), (3483, 4589)]