2057679

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 3283280

約数和(自身を除く): 1225601

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 409, 559, 1227, 1677, 3681, 5031, 5317, 15951, 17587, 47853, 52761, 158283, 228631, 685893, 2057679]

約数ペア:

[(1, 2057679), (3, 685893), (9, 228631), (13, 158283), (39, 52761), (43, 47853), (117, 17587), (129, 15951), (387, 5317), (409, 5031), (559, 3681), (1227, 1677)]