81408453

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{1747}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 126736992

約数和(自身を除く): 45328539

約数列:

[1, 3, 7, 21, 49, 147, 317, 951, 1747, 2219, 5241, 6657, 12229, 15533, 36687, 46599, 85603, 256809, 553799, 1661397, 3876593, 11629779, 27136151, 81408453]

約数ペア:

[(1, 81408453), (3, 27136151), (7, 11629779), (21, 3876593), (49, 1661397), (147, 553799), (317, 256809), (951, 85603), (1747, 46599), (2219, 36687), (5241, 15533), (6657, 12229)]