178377471

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 273777504

約数和(自身を除く): 95400033

約数列:

[1, 3, 9, 27, 73, 81, 97, 219, 291, 311, 657, 873, 933, 1971, 2619, 2799, 5913, 7081, 7857, 8397, 21243, 22703, 25191, 30167, 63729, 68109, 90501, 191187, 204327, 271503, 573561, 612981, 814509, 1838943, 2202191, 2443527, 6606573, 19819719, 59459157, 178377471]

約数ペア:

[(1, 178377471), (3, 59459157), (9, 19819719), (27, 6606573), (73, 2443527), (81, 2202191), (97, 1838943), (219, 814509), (291, 612981), (311, 573561), (657, 271503), (873, 204327), (933, 191187), (1971, 90501), (2619, 68109), (2799, 63729), (5913, 30167), (7081, 25191), (7857, 22703), (8397, 21243)]