72542421

素因数分解:

$3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1307}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 119980224

約数和(自身を除く): 47437803

約数列:

[1, 3, 7, 9, 21, 63, 881, 1307, 2643, 3921, 6167, 7929, 9149, 11763, 18501, 27447, 55503, 82341, 1151467, 3454401, 8060269, 10363203, 24180807, 72542421]

約数ペア:

[(1, 72542421), (3, 24180807), (7, 10363203), (9, 8060269), (21, 3454401), (63, 1151467), (881, 82341), (1307, 55503), (2643, 27447), (3921, 18501), (6167, 11763), (7929, 9149)]