217435905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11057}}^1$

素因数の和:11110

約数の個数: 48

約数和(自身を含む): 414011520

約数和(自身を除く): 196575615

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 6555, 11057, 19665, 33171, 55285, 99513, 165855, 210083, 254311, 497565, 630249, 762933, 1050415, 1271555, 1890747, 2288799, 3151245, 3814665, 4831909, 9453735, 11443995, 14495727, 24159545, 43487181, 72478635, 217435905]

約数ペア:

[(1, 217435905), (3, 72478635), (5, 43487181), (9, 24159545), (15, 14495727), (19, 11443995), (23, 9453735), (45, 4831909), (57, 3814665), (69, 3151245), (95, 2288799), (115, 1890747), (171, 1271555), (207, 1050415), (285, 762933), (345, 630249), (437, 497565), (855, 254311), (1035, 210083), (1311, 165855), (2185, 99513), (3933, 55285), (6555, 33171), (11057, 19665)]