47987937

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 73100160

約数和(自身を除く): 25112223

約数列:

[1, 3, 9, 27, 73, 97, 219, 251, 291, 657, 753, 873, 1971, 2259, 2619, 6777, 7081, 18323, 21243, 24347, 54969, 63729, 73041, 164907, 191187, 219123, 494721, 657369, 1777331, 5331993, 15995979, 47987937]

約数ペア:

[(1, 47987937), (3, 15995979), (9, 5331993), (27, 1777331), (73, 657369), (97, 494721), (219, 219123), (251, 191187), (291, 164907), (657, 73041), (753, 63729), (873, 54969), (1971, 24347), (2259, 21243), (2619, 18323), (6777, 7081)]