68521713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 104936832

約数和(自身を除く): 36415119

約数列:

[1, 3, 13, 17, 39, 51, 181, 221, 543, 571, 663, 1713, 2353, 3077, 7059, 7423, 9231, 9707, 22269, 29121, 40001, 103351, 120003, 126191, 310053, 378573, 1343563, 1756967, 4030689, 5270901, 22840571, 68521713]

約数ペア:

[(1, 68521713), (3, 22840571), (13, 5270901), (17, 4030689), (39, 1756967), (51, 1343563), (181, 378573), (221, 310053), (543, 126191), (571, 120003), (663, 103351), (1713, 40001), (2353, 29121), (3077, 22269), (7059, 9707), (7423, 9231)]