64770993

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{761}}^1$

素因数の和:974

約数の個数: 36

約数和(自身を含む): 109540548

約数和(自身を除く): 44769555

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 441, 579, 761, 1351, 1737, 2283, 4053, 5327, 6849, 9457, 12159, 15981, 28371, 37289, 47943, 85113, 111867, 146873, 335601, 440619, 1028111, 1321857, 3084333, 7196777, 9252999, 21590331, 64770993]

約数ペア:

[(1, 64770993), (3, 21590331), (7, 9252999), (9, 7196777), (21, 3084333), (49, 1321857), (63, 1028111), (147, 440619), (193, 335601), (441, 146873), (579, 111867), (761, 85113), (1351, 47943), (1737, 37289), (2283, 28371), (4053, 15981), (5327, 12159), (6849, 9457)]