253135905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{7949}}^1$

素因数の和:8161

約数の個数: 32

約数和(自身を含む): 444182400

約数和(自身を除く): 191046495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 193, 579, 965, 2123, 2895, 6369, 7949, 10615, 23847, 31845, 39745, 87439, 119235, 262317, 437195, 1311585, 1534157, 4602471, 7670785, 16875727, 23012355, 50627181, 84378635, 253135905]

約数ペア:

[(1, 253135905), (3, 84378635), (5, 50627181), (11, 23012355), (15, 16875727), (33, 7670785), (55, 4602471), (165, 1534157), (193, 1311585), (579, 437195), (965, 262317), (2123, 119235), (2895, 87439), (6369, 39745), (7949, 31845), (10615, 23847)]