81575505

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18311}}^1$

素因数の和:18339

約数の個数: 40

約数和(自身を含む): 159534144

約数和(自身を除く): 77958639

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 18311, 54933, 91555, 164799, 201421, 274665, 494397, 604263, 823995, 1007105, 1483191, 1812789, 2471985, 3021315, 5438367, 7415955, 9063945, 16315101, 27191835, 81575505]

約数ペア:

[(1, 81575505), (3, 27191835), (5, 16315101), (9, 9063945), (11, 7415955), (15, 5438367), (27, 3021315), (33, 2471985), (45, 1812789), (55, 1483191), (81, 1007105), (99, 823995), (135, 604263), (165, 494397), (297, 274665), (405, 201421), (495, 164799), (891, 91555), (1485, 54933), (4455, 18311)]