138693723

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1733}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 219288576

約数和(自身を除く): 80594853

約数列:

[1, 3, 7, 21, 37, 103, 111, 259, 309, 721, 777, 1733, 2163, 3811, 5199, 11433, 12131, 26677, 36393, 64121, 80031, 178499, 192363, 448847, 535497, 1249493, 1346541, 3748479, 6604463, 19813389, 46231241, 138693723]

約数ペア:

[(1, 138693723), (3, 46231241), (7, 19813389), (21, 6604463), (37, 3748479), (103, 1346541), (111, 1249493), (259, 535497), (309, 448847), (721, 192363), (777, 178499), (1733, 80031), (2163, 64121), (3811, 36393), (5199, 26677), (11433, 12131)]