205778829

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 296763264

約数和(自身を除く): 90984435

約数列:

[1, 3, 17, 51, 83, 173, 249, 281, 519, 843, 1411, 2941, 4233, 4777, 8823, 14331, 14359, 23323, 43077, 48613, 69969, 145839, 244103, 396491, 732309, 826421, 1189473, 2479263, 4034879, 12104637, 68592943, 205778829]

約数ペア:

[(1, 205778829), (3, 68592943), (17, 12104637), (51, 4034879), (83, 2479263), (173, 1189473), (249, 826421), (281, 732309), (519, 396491), (843, 244103), (1411, 145839), (2941, 69969), (4233, 48613), (4777, 43077), (8823, 23323), (14331, 14359)]