71648727

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 105007104

約数和(自身を除く): 33358377

約数列:

[1, 3, 17, 47, 51, 71, 141, 213, 421, 799, 1207, 1263, 2397, 3337, 3621, 7157, 10011, 19787, 21471, 29891, 56729, 59361, 89673, 170187, 336379, 508147, 1009137, 1404877, 1524441, 4214631, 23882909, 71648727]

約数ペア:

[(1, 71648727), (3, 23882909), (17, 4214631), (47, 1524441), (51, 1404877), (71, 1009137), (141, 508147), (213, 336379), (421, 170187), (799, 89673), (1207, 59361), (1263, 56729), (2397, 29891), (3337, 21471), (3621, 19787), (7157, 10011)]