856838511

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{24877}}^1$

素因数の和:25015

約数の個数: 24

約数和(自身を含む): 1280719440

約数和(自身を除く): 423880929

約数列:

[1, 3, 9, 43, 89, 129, 267, 387, 801, 3827, 11481, 24877, 34443, 74631, 223893, 1069711, 2214053, 3209133, 6642159, 9627399, 19926477, 95204279, 285612837, 856838511]

約数ペア:

[(1, 856838511), (3, 285612837), (9, 95204279), (43, 19926477), (89, 9627399), (129, 6642159), (267, 3209133), (387, 2214053), (801, 1069711), (3827, 223893), (11481, 74631), (24877, 34443)]