87639237

素因数分解:

$3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1579}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 144930240

約数和(自身を除く): 57291003

約数列:

[1, 3, 7, 9, 21, 63, 881, 1579, 2643, 4737, 6167, 7929, 11053, 14211, 18501, 33159, 55503, 99477, 1391099, 4173297, 9737693, 12519891, 29213079, 87639237]

約数ペア:

[(1, 87639237), (3, 29213079), (7, 12519891), (9, 9737693), (21, 4173297), (63, 1391099), (881, 99477), (1579, 55503), (2643, 33159), (4737, 18501), (6167, 14211), (7929, 11053)]