64136685

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 44727315

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 1619, 2085, 2641, 4857, 7923, 8095, 13205, 24285, 30761, 39615, 92283, 153805, 225041, 461415, 675123, 1125205, 3375615, 4275779, 12827337, 21378895, 64136685]

約数ペア:

[(1, 64136685), (3, 21378895), (5, 12827337), (15, 4275779), (19, 3375615), (57, 1125205), (95, 675123), (139, 461415), (285, 225041), (417, 153805), (695, 92283), (1619, 39615), (2085, 30761), (2641, 24285), (4857, 13205), (7923, 8095)]