64889721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 104160000

約数和(自身を除く): 39270279

約数列:

[1, 3, 9, 13, 27, 39, 117, 199, 351, 597, 929, 1791, 2587, 2787, 5373, 7761, 8361, 12077, 23283, 25083, 36231, 69849, 108693, 184871, 326079, 554613, 1663839, 2403323, 4991517, 7209969, 21629907, 64889721]

約数ペア:

[(1, 64889721), (3, 21629907), (9, 7209969), (13, 4991517), (27, 2403323), (39, 1663839), (117, 554613), (199, 326079), (351, 184871), (597, 108693), (929, 69849), (1791, 36231), (2587, 25083), (2787, 23283), (5373, 12077), (7761, 8361)]