51358347

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 78428160

約数和(自身を除く): 27069813

約数列:

[1, 3, 9, 27, 71, 73, 213, 219, 367, 639, 657, 1101, 1917, 1971, 3303, 5183, 9909, 15549, 26057, 26791, 46647, 78171, 80373, 139941, 234513, 241119, 703539, 723357, 1902161, 5706483, 17119449, 51358347]

約数ペア:

[(1, 51358347), (3, 17119449), (9, 5706483), (27, 1902161), (71, 723357), (73, 703539), (213, 241119), (219, 234513), (367, 139941), (639, 80373), (657, 78171), (1101, 46647), (1917, 26791), (1971, 26057), (3303, 15549), (5183, 9909)]