81485055

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2659}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 145555200

約数和(自身を除く): 64070145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 1135, 2043, 2659, 3405, 6129, 7977, 10215, 13295, 23931, 30645, 39885, 71793, 119655, 358965, 603593, 1810779, 3017965, 5432337, 9053895, 16297011, 27161685, 81485055]

約数ペア:

[(1, 81485055), (3, 27161685), (5, 16297011), (9, 9053895), (15, 5432337), (27, 3017965), (45, 1810779), (135, 603593), (227, 358965), (681, 119655), (1135, 71793), (2043, 39885), (2659, 30645), (3405, 23931), (6129, 13295), (7977, 10215)]