81917055

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55163}}^1$

素因数の和:55188

約数の個数: 32

約数和(自身を含む): 158872320

約数和(自身を除く): 76955265

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 55163, 165489, 275815, 496467, 606793, 827445, 1489401, 1820379, 2482335, 3033965, 5461137, 7447005, 9101895, 16383411, 27305685, 81917055]

約数ペア:

[(1, 81917055), (3, 27305685), (5, 16383411), (9, 9101895), (11, 7447005), (15, 5461137), (27, 3033965), (33, 2482335), (45, 1820379), (55, 1489401), (99, 827445), (135, 606793), (165, 496467), (297, 275815), (495, 165489), (1485, 55163)]