2931621

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 40

約数和(自身を含む): 5109024

約数和(自身を除く): 2177403

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 77, 111, 147, 231, 259, 343, 407, 539, 777, 1029, 1221, 1617, 1813, 2401, 2849, 3773, 5439, 7203, 8547, 11319, 12691, 19943, 26411, 38073, 59829, 79233, 88837, 139601, 266511, 418803, 977207, 2931621]

約数ペア:

[(1, 2931621), (3, 977207), (7, 418803), (11, 266511), (21, 139601), (33, 88837), (37, 79233), (49, 59829), (77, 38073), (111, 26411), (147, 19943), (231, 12691), (259, 11319), (343, 8547), (407, 7203), (539, 5439), (777, 3773), (1029, 2849), (1221, 2401), (1617, 1813)]