138696873

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{21101}}^1$

素因数の和:21424

約数の個数: 16

約数和(自身を含む): 212032896

約数和(自身を除く): 73336023

約数列:

[1, 3, 7, 21, 313, 939, 2191, 6573, 21101, 63303, 147707, 443121, 6604613, 19813839, 46232291, 138696873]

約数ペア:

[(1, 138696873), (3, 46232291), (7, 19813839), (21, 6604613), (313, 443121), (939, 147707), (2191, 63303), (6573, 21101)]