223835997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1697}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 372962304

約数和(自身を除く): 149126307

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 571, 1697, 1713, 3997, 5091, 6281, 11879, 11991, 18667, 18843, 35637, 43967, 56001, 130669, 131901, 392007, 968987, 2906961, 6782909, 10658857, 20348727, 31976571, 74611999, 223835997]

約数ペア:

[(1, 223835997), (3, 74611999), (7, 31976571), (11, 20348727), (21, 10658857), (33, 6782909), (77, 2906961), (231, 968987), (571, 392007), (1697, 131901), (1713, 130669), (3997, 56001), (5091, 43967), (6281, 35637), (11879, 18843), (11991, 18667)]