81658371

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 121600000

約数和(自身を除く): 39941629

約数列:

[1, 3, 19, 31, 37, 57, 93, 111, 589, 703, 1147, 1249, 1767, 2109, 3441, 3747, 21793, 23731, 38719, 46213, 65379, 71193, 116157, 138639, 735661, 878047, 1432603, 2206983, 2634141, 4297809, 27219457, 81658371]

約数ペア:

[(1, 81658371), (3, 27219457), (19, 4297809), (31, 2634141), (37, 2206983), (57, 1432603), (93, 878047), (111, 735661), (589, 138639), (703, 116157), (1147, 71193), (1249, 65379), (1767, 46213), (2109, 38719), (3441, 23731), (3747, 21793)]