81609957

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 148377600

約数和(自身を除く): 66767643

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 99, 117, 143, 207, 253, 297, 299, 351, 429, 621, 759, 897, 919, 1287, 2277, 2691, 2757, 3289, 3861, 6831, 8073, 8271, 9867, 10109, 11947, 21137, 24813, 29601, 30327, 35841, 63411, 88803, 90981, 107523, 131417, 190233, 232507, 272943, 274781, 322569, 394251, 570699, 697521, 824343, 1182753, 2092563, 2473029, 3022591, 3548259, 6277689, 7419087, 9067773, 27203319, 81609957]

約数ペア:

[(1, 81609957), (3, 27203319), (9, 9067773), (11, 7419087), (13, 6277689), (23, 3548259), (27, 3022591), (33, 2473029), (39, 2092563), (69, 1182753), (99, 824343), (117, 697521), (143, 570699), (207, 394251), (253, 322569), (297, 274781), (299, 272943), (351, 232507), (429, 190233), (621, 131417), (759, 107523), (897, 90981), (919, 88803), (1287, 63411), (2277, 35841), (2691, 30327), (2757, 29601), (3289, 24813), (3861, 21137), (6831, 11947), (8073, 10109), (8271, 9867)]