74688237

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 125637120

約数和(自身を除く): 50948883

約数列:

[1, 3, 9, 13, 27, 37, 39, 71, 81, 111, 117, 213, 243, 333, 351, 481, 639, 729, 923, 999, 1053, 1443, 1917, 2187, 2627, 2769, 2997, 3159, 4329, 5751, 7881, 8307, 8991, 9477, 12987, 17253, 23643, 24921, 26973, 28431, 34151, 38961, 51759, 70929, 74763, 80919, 102453, 116883, 155277, 212787, 224289, 307359, 350649, 638361, 672867, 922077, 1051947, 1915083, 2018601, 2766231, 5745249, 8298693, 24896079, 74688237]

約数ペア:

[(1, 74688237), (3, 24896079), (9, 8298693), (13, 5745249), (27, 2766231), (37, 2018601), (39, 1915083), (71, 1051947), (81, 922077), (111, 672867), (117, 638361), (213, 350649), (243, 307359), (333, 224289), (351, 212787), (481, 155277), (639, 116883), (729, 102453), (923, 80919), (999, 74763), (1053, 70929), (1443, 51759), (1917, 38961), (2187, 34151), (2627, 28431), (2769, 26973), (2997, 24921), (3159, 23643), (4329, 17253), (5751, 12987), (7881, 9477), (8307, 8991)]