15117207

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 24161280

約数和(自身を除く): 9044073

約数列:

[1, 3, 7, 21, 29, 87, 103, 203, 241, 309, 609, 721, 723, 1687, 2163, 2987, 5061, 6989, 8961, 20909, 20967, 24823, 48923, 62727, 74469, 146769, 173761, 521283, 719867, 2159601, 5039069, 15117207]

約数ペア:

[(1, 15117207), (3, 5039069), (7, 2159601), (21, 719867), (29, 521283), (87, 173761), (103, 146769), (203, 74469), (241, 62727), (309, 48923), (609, 24823), (721, 20967), (723, 20909), (1687, 8961), (2163, 6989), (2987, 5061)]