18173659833

素因数分解:

$3^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{74521}}^1$

素因数の和:74627

約数の個数: 48

約数和(自身を含む): 31001152000

約数和(自身を除く): 12827492167

約数列:

[1, 3, 7, 9, 21, 49, 63, 79, 147, 237, 343, 441, 553, 711, 1029, 1659, 3087, 3871, 4977, 11613, 27097, 34839, 74521, 81291, 223563, 243873, 521647, 670689, 1564941, 3651529, 4694823, 5887159, 10954587, 17661477, 25560703, 32863761, 41210113, 52984431, 76682109, 123630339, 230046327, 288470791, 370891017, 865412373, 2019295537, 2596237119, 6057886611, 18173659833]

約数ペア:

[(1, 18173659833), (3, 6057886611), (7, 2596237119), (9, 2019295537), (21, 865412373), (49, 370891017), (63, 288470791), (79, 230046327), (147, 123630339), (237, 76682109), (343, 52984431), (441, 41210113), (553, 32863761), (711, 25560703), (1029, 17661477), (1659, 10954587), (3087, 5887159), (3871, 4694823), (4977, 3651529), (11613, 1564941), (27097, 670689), (34839, 521647), (74521, 243873), (81291, 223563)]