277389

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 506844

約数和(自身を除く): 229455

約数列:

[1, 3, 7, 9, 17, 21, 37, 49, 51, 63, 111, 119, 147, 153, 259, 333, 357, 441, 629, 777, 833, 1071, 1813, 1887, 2331, 2499, 4403, 5439, 5661, 7497, 13209, 16317, 30821, 39627, 92463, 277389]

約数ペア:

[(1, 277389), (3, 92463), (7, 39627), (9, 30821), (17, 16317), (21, 13209), (37, 7497), (49, 5661), (51, 5439), (63, 4403), (111, 2499), (119, 2331), (147, 1887), (153, 1813), (259, 1071), (333, 833), (357, 777), (441, 629)]