81670017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1499}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 129024000

約数和(自身を除く): 47353983

約数列:

[1, 3, 11, 13, 33, 39, 127, 143, 381, 429, 1397, 1499, 1651, 4191, 4497, 4953, 16489, 18161, 19487, 49467, 54483, 58461, 190373, 214357, 571119, 643071, 2094103, 2474849, 6282309, 7424547, 27223339, 81670017]

約数ペア:

[(1, 81670017), (3, 27223339), (11, 7424547), (13, 6282309), (33, 2474849), (39, 2094103), (127, 643071), (143, 571119), (381, 214357), (429, 190373), (1397, 58461), (1499, 54483), (1651, 49467), (4191, 19487), (4497, 18161), (4953, 16489)]