64780857

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 101587200

約数和(自身を除く): 36806343

約数列:

[1, 3, 9, 23, 27, 69, 73, 207, 219, 621, 657, 1429, 1679, 1971, 4287, 5037, 12861, 15111, 32867, 38583, 45333, 98601, 104317, 295803, 312951, 887409, 938853, 2399291, 2816559, 7197873, 21593619, 64780857]

約数ペア:

[(1, 64780857), (3, 21593619), (9, 7197873), (23, 2816559), (27, 2399291), (69, 938853), (73, 887409), (207, 312951), (219, 295803), (621, 104317), (657, 98601), (1429, 45333), (1679, 38583), (1971, 32867), (4287, 15111), (5037, 12861)]