26281983

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 20257377

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 637, 663, 809, 833, 1547, 1911, 2427, 2499, 4641, 5663, 10517, 10829, 13753, 16989, 31551, 32487, 39641, 41259, 73619, 96271, 118923, 178789, 220857, 288813, 515333, 536367, 673897, 1251523, 1545999, 2021691, 3754569, 8760661, 26281983]

約数ペア:

[(1, 26281983), (3, 8760661), (7, 3754569), (13, 2021691), (17, 1545999), (21, 1251523), (39, 673897), (49, 536367), (51, 515333), (91, 288813), (119, 220857), (147, 178789), (221, 118923), (273, 96271), (357, 73619), (637, 41259), (663, 39641), (809, 32487), (833, 31551), (1547, 16989), (1911, 13753), (2427, 10829), (2499, 10517), (4641, 5663)]