15001021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3468

約数の個数: 16

約数和(自身を含む): 18648576

約数和(自身を除く): 3647555

約数列:

[1, 7, 17, 37, 119, 259, 629, 3407, 4403, 23849, 57919, 126059, 405433, 882413, 2143003, 15001021]

約数ペア:

[(1, 15001021), (7, 2143003), (17, 882413), (37, 405433), (119, 126059), (259, 57919), (629, 23849), (3407, 4403)]