81148119

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 121571520

約数和(自身を除く): 40423401

約数列:

[1, 3, 13, 29, 39, 87, 157, 377, 457, 471, 1131, 1371, 2041, 4553, 5941, 6123, 13253, 13659, 17823, 39759, 59189, 71749, 172289, 177567, 215247, 516867, 932737, 2080721, 2798211, 6242163, 27049373, 81148119]

約数ペア:

[(1, 81148119), (3, 27049373), (13, 6242163), (29, 2798211), (39, 2080721), (87, 932737), (157, 516867), (377, 215247), (457, 177567), (471, 172289), (1131, 71749), (1371, 59189), (2041, 39759), (4553, 17823), (5941, 13659), (6123, 13253)]