81374985

素因数分解:

$3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2447}}^1$

素因数の和:3197

約数の個数: 24

約数和(自身を含む): 141298560

約数和(自身を除く): 59923575

約数列:

[1, 3, 5, 9, 15, 45, 739, 2217, 2447, 3695, 6651, 7341, 11085, 12235, 22023, 33255, 36705, 110115, 1808333, 5424999, 9041665, 16274997, 27124995, 81374985]

約数ペア:

[(1, 81374985), (3, 27124995), (5, 16274997), (9, 9041665), (15, 5424999), (45, 1808333), (739, 110115), (2217, 36705), (2447, 33255), (3695, 22023), (6651, 12235), (7341, 11085)]