81721806

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{857}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 170995968

約数和(自身を除く): 89274162

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 691, 857, 1382, 1714, 2073, 2571, 4146, 5142, 15893, 19711, 31786, 39422, 47679, 59133, 95358, 118266, 592187, 1184374, 1776561, 3553122, 13620301, 27240602, 40860903, 81721806]

約数ペア:

[(1, 81721806), (2, 40860903), (3, 27240602), (6, 13620301), (23, 3553122), (46, 1776561), (69, 1184374), (138, 592187), (691, 118266), (857, 95358), (1382, 59133), (1714, 47679), (2073, 39422), (2571, 31786), (4146, 19711), (5142, 15893)]