199981467

素因数分解:

$3^7\times 7^1\times {\mathrm{13063}}^1$

素因数の和:13091

約数の個数: 32

約数和(自身を含む): 342799360

約数和(自身を除く): 142817893

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 13063, 15309, 39189, 91441, 117567, 274323, 352701, 822969, 1058103, 2468907, 3174309, 7406721, 9522927, 22220163, 28568781, 66660489, 199981467]

約数ペア:

[(1, 199981467), (3, 66660489), (7, 28568781), (9, 22220163), (21, 9522927), (27, 7406721), (63, 3174309), (81, 2468907), (189, 1058103), (243, 822969), (567, 352701), (729, 274323), (1701, 117567), (2187, 91441), (5103, 39189), (13063, 15309)]