81859305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1213}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 143349120

約数和(自身を除く): 61489815

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 409, 1213, 1227, 2045, 3639, 4499, 6065, 6135, 13343, 13497, 18195, 22495, 40029, 66715, 67485, 200145, 496117, 1488351, 2480585, 5457287, 7441755, 16371861, 27286435, 81859305]

約数ペア:

[(1, 81859305), (3, 27286435), (5, 16371861), (11, 7441755), (15, 5457287), (33, 2480585), (55, 1488351), (165, 496117), (409, 200145), (1213, 67485), (1227, 66715), (2045, 40029), (3639, 22495), (4499, 18195), (6065, 13497), (6135, 13343)]