890446473

素因数分解:

$3^3\times 7^2\times {\mathrm{449}}^1\times {\mathrm{1499}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 1539000000

約数和(自身を除く): 648553527

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 449, 1323, 1347, 1499, 3143, 4041, 4497, 9429, 10493, 12123, 13491, 22001, 28287, 31479, 40473, 66003, 73451, 84861, 94437, 198009, 220353, 283311, 594027, 661059, 673051, 1983177, 2019153, 4711357, 6057459, 14134071, 18172377, 32979499, 42402213, 98938497, 127206639, 296815491, 890446473]

約数ペア:

[(1, 890446473), (3, 296815491), (7, 127206639), (9, 98938497), (21, 42402213), (27, 32979499), (49, 18172377), (63, 14134071), (147, 6057459), (189, 4711357), (441, 2019153), (449, 1983177), (1323, 673051), (1347, 661059), (1499, 594027), (3143, 283311), (4041, 220353), (4497, 198009), (9429, 94437), (10493, 84861), (12123, 73451), (13491, 66003), (22001, 40473), (28287, 31479)]