12929721

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{11617}}^1$

素因数の和:11680

約数の個数: 16

約数和(自身を含む): 20075904

約数和(自身を除く): 7146183

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 11617, 34851, 81319, 243957, 615701, 1847103, 4309907, 12929721]

約数ペア:

[(1, 12929721), (3, 4309907), (7, 1847103), (21, 615701), (53, 243957), (159, 81319), (371, 34851), (1113, 11617)]