248830905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{2179}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 416885760

約数和(自身を除く): 168054855

約数列:

[1, 3, 5, 15, 23, 69, 115, 331, 345, 993, 1655, 2179, 4965, 6537, 7613, 10895, 22839, 32685, 38065, 50117, 114195, 150351, 250585, 721249, 751755, 2163747, 3606245, 10818735, 16588727, 49766181, 82943635, 248830905]

約数ペア:

[(1, 248830905), (3, 82943635), (5, 49766181), (15, 16588727), (23, 10818735), (69, 3606245), (115, 2163747), (331, 751755), (345, 721249), (993, 250585), (1655, 150351), (2179, 114195), (4965, 50117), (6537, 38065), (7613, 32685), (10895, 22839)]