86742621

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7607}}^1$

素因数の和:7801

約数の個数: 24

約数和(自身を含む): 144004224

約数和(自身を除く): 57261603

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 7607, 11403, 22821, 53249, 68463, 159747, 479241, 1376867, 4130601, 9638069, 12391803, 28914207, 86742621]

約数ペア:

[(1, 86742621), (3, 28914207), (7, 12391803), (9, 9638069), (21, 4130601), (63, 1376867), (181, 479241), (543, 159747), (1267, 68463), (1629, 53249), (3801, 22821), (7607, 11403)]