89706981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 154441728

約数和(自身を除く): 64734747

約数列:

[1, 3, 7, 13, 21, 37, 39, 83, 91, 107, 111, 249, 259, 273, 321, 481, 581, 749, 777, 1079, 1391, 1443, 1743, 2247, 3071, 3237, 3367, 3959, 4173, 7553, 8881, 9213, 9737, 10101, 11877, 21497, 22659, 26643, 27713, 29211, 39923, 51467, 62167, 64491, 83139, 115453, 119769, 154401, 186501, 279461, 328597, 346359, 360269, 808171, 838383, 985791, 1080807, 2300179, 2424513, 4271761, 6900537, 12815283, 29902327, 89706981]

約数ペア:

[(1, 89706981), (3, 29902327), (7, 12815283), (13, 6900537), (21, 4271761), (37, 2424513), (39, 2300179), (83, 1080807), (91, 985791), (107, 838383), (111, 808171), (249, 360269), (259, 346359), (273, 328597), (321, 279461), (481, 186501), (581, 154401), (749, 119769), (777, 115453), (1079, 83139), (1391, 64491), (1443, 62167), (1743, 51467), (2247, 39923), (3071, 29211), (3237, 27713), (3367, 26643), (3959, 22659), (4173, 21497), (7553, 11877), (8881, 10101), (9213, 9737)]