25007211

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16249}}^1$

素因数の和:16280

約数の個数: 20

約数和(自身を含む): 39325000

約数和(自身を除く): 14317789

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16249, 48747, 146241, 308731, 438723, 926193, 1316169, 2778579, 8335737, 25007211]

約数ペア:

[(1, 25007211), (3, 8335737), (9, 2778579), (19, 1316169), (27, 926193), (57, 438723), (81, 308731), (171, 146241), (513, 48747), (1539, 16249)]