78526071

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 133539840

約数和(自身を除く): 55013769

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 71, 117, 137, 207, 213, 299, 351, 411, 621, 639, 897, 923, 1233, 1633, 1781, 1917, 2691, 2769, 3151, 3699, 4899, 5343, 8073, 8307, 9453, 9727, 14697, 16029, 21229, 24921, 28359, 29181, 40963, 44091, 48087, 63687, 85077, 87543, 122889, 126451, 191061, 223721, 262629, 368667, 379353, 573183, 671163, 1106001, 1138059, 2013489, 2908373, 3414177, 6040467, 8725119, 26175357, 78526071]

約数ペア:

[(1, 78526071), (3, 26175357), (9, 8725119), (13, 6040467), (23, 3414177), (27, 2908373), (39, 2013489), (69, 1138059), (71, 1106001), (117, 671163), (137, 573183), (207, 379353), (213, 368667), (299, 262629), (351, 223721), (411, 191061), (621, 126451), (639, 122889), (897, 87543), (923, 85077), (1233, 63687), (1633, 48087), (1781, 44091), (1917, 40963), (2691, 29181), (2769, 28359), (3151, 24921), (3699, 21229), (4899, 16029), (5343, 14697), (8073, 9727), (8307, 9453)]