81419037

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 132969600

約数和(自身を除く): 51550563

約数列:

[1, 3, 7, 21, 29, 49, 71, 87, 147, 203, 213, 269, 497, 609, 807, 1421, 1491, 1883, 2059, 3479, 4263, 5649, 6177, 7801, 10437, 13181, 14413, 19099, 23403, 39543, 43239, 54607, 57297, 100891, 133693, 163821, 302673, 382249, 401079, 553871, 935851, 1146747, 1661613, 2807553, 3877097, 11631291, 27139679, 81419037]

約数ペア:

[(1, 81419037), (3, 27139679), (7, 11631291), (21, 3877097), (29, 2807553), (49, 1661613), (71, 1146747), (87, 935851), (147, 553871), (203, 401079), (213, 382249), (269, 302673), (497, 163821), (609, 133693), (807, 100891), (1421, 57297), (1491, 54607), (1883, 43239), (2059, 39543), (3479, 23403), (4263, 19099), (5649, 14413), (6177, 13181), (7801, 10437)]