138821283

素因数分解:

$3^6\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1206

約数の個数: 28

約数和(自身を含む): 209436288

約数和(自身を除く): 70615005

約数列:

[1, 3, 9, 27, 81, 191, 243, 573, 729, 997, 1719, 2991, 5157, 8973, 15471, 26919, 46413, 80757, 139239, 190427, 242271, 571281, 726813, 1713843, 5141529, 15424587, 46273761, 138821283]

約数ペア:

[(1, 138821283), (3, 46273761), (9, 15424587), (27, 5141529), (81, 1713843), (191, 726813), (243, 571281), (573, 242271), (729, 190427), (997, 139239), (1719, 80757), (2991, 46413), (5157, 26919), (8973, 15471)]