254996889

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{6553}}^1$

素因数の和:6689

約数の個数: 32

約数和(自身を含む): 415261440

約数和(自身を除く): 160264551

約数列:

[1, 3, 7, 17, 21, 51, 109, 119, 327, 357, 763, 1853, 2289, 5559, 6553, 12971, 19659, 38913, 45871, 111401, 137613, 334203, 714277, 779807, 2142831, 2339421, 4999939, 12142709, 14999817, 36428127, 84998963, 254996889]

約数ペア:

[(1, 254996889), (3, 84998963), (7, 36428127), (17, 14999817), (21, 12142709), (51, 4999939), (109, 2339421), (119, 2142831), (327, 779807), (357, 714277), (763, 334203), (1853, 137613), (2289, 111401), (5559, 45871), (6553, 38913), (12971, 19659)]