261330339

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{42307}}^1$

素因数の和:42410

約数の個数: 16

約数和(自身を含む): 365541120

約数和(自身を除く): 104210781

約数列:

[1, 3, 29, 71, 87, 213, 2059, 6177, 42307, 126921, 1226903, 3003797, 3680709, 9011391, 87110113, 261330339]

約数ペア:

[(1, 261330339), (3, 87110113), (29, 9011391), (71, 3680709), (87, 3003797), (213, 1226903), (2059, 126921), (6177, 42307)]