61330581

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 43178859

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 71, 107, 117, 207, 213, 299, 321, 351, 621, 639, 897, 923, 963, 1391, 1633, 1917, 2461, 2691, 2769, 2889, 4173, 4899, 7383, 7597, 8073, 8307, 12519, 14697, 21229, 22149, 22791, 24921, 31993, 37557, 44091, 63687, 66447, 68373, 95979, 98761, 174731, 191061, 205119, 287937, 296283, 524193, 573183, 863811, 888849, 1572579, 2271503, 2666547, 4717737, 6814509, 20443527, 61330581]

約数ペア:

[(1, 61330581), (3, 20443527), (9, 6814509), (13, 4717737), (23, 2666547), (27, 2271503), (39, 1572579), (69, 888849), (71, 863811), (107, 573183), (117, 524193), (207, 296283), (213, 287937), (299, 205119), (321, 191061), (351, 174731), (621, 98761), (639, 95979), (897, 68373), (923, 66447), (963, 63687), (1391, 44091), (1633, 37557), (1917, 31993), (2461, 24921), (2691, 22791), (2769, 22149), (2889, 21229), (4173, 14697), (4899, 12519), (7383, 8307), (7597, 8073)]