81234945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5659}}^1$

素因数の和:5710

約数の個数: 48

約数和(自身を含む): 158932800

約数和(自身を除く): 77697855

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 2871, 4785, 5659, 14355, 16977, 28295, 50931, 62249, 84885, 164111, 186747, 254655, 311245, 492333, 560241, 820555, 933735, 1476999, 1805221, 2461665, 2801205, 5415663, 7384995, 9026105, 16246989, 27078315, 81234945]

約数ペア:

[(1, 81234945), (3, 27078315), (5, 16246989), (9, 9026105), (11, 7384995), (15, 5415663), (29, 2801205), (33, 2461665), (45, 1805221), (55, 1476999), (87, 933735), (99, 820555), (145, 560241), (165, 492333), (261, 311245), (319, 254655), (435, 186747), (495, 164111), (957, 84885), (1305, 62249), (1595, 50931), (2871, 28295), (4785, 16977), (5659, 14355)]