199442871

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 306585600

約数和(自身を除く): 107142729

約数列:

[1, 3, 9, 27, 31, 93, 239, 279, 717, 837, 997, 2151, 2991, 6453, 7409, 8973, 22227, 26919, 30907, 66681, 92721, 200043, 238283, 278163, 714849, 834489, 2144547, 6433641, 7386773, 22160319, 66480957, 199442871]

約数ペア:

[(1, 199442871), (3, 66480957), (9, 22160319), (27, 7386773), (31, 6433641), (93, 2144547), (239, 834489), (279, 714849), (717, 278163), (837, 238283), (997, 200043), (2151, 92721), (2991, 66681), (6453, 30907), (7409, 26919), (8973, 22227)]