81018993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 121709952

約数和(自身を除く): 40690959

約数列:

[1, 3, 11, 33, 41, 123, 233, 257, 451, 699, 771, 1353, 2563, 2827, 7689, 8481, 9553, 10537, 28659, 31611, 59881, 105083, 115907, 179643, 315249, 347721, 658691, 1976073, 2455121, 7365363, 27006331, 81018993]

約数ペア:

[(1, 81018993), (3, 27006331), (11, 7365363), (33, 2455121), (41, 1976073), (123, 658691), (233, 347721), (257, 315249), (451, 179643), (699, 115907), (771, 105083), (1353, 59881), (2563, 31611), (2827, 28659), (7689, 10537), (8481, 9553)]