12721731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1613}}^1$

素因数の和:1866

約数の個数: 16

約数和(自身を含む): 18593280

約数和(自身を除く): 5871549

約数列:

[1, 3, 11, 33, 239, 717, 1613, 2629, 4839, 7887, 17743, 53229, 385507, 1156521, 4240577, 12721731]

約数ペア:

[(1, 12721731), (3, 4240577), (11, 1156521), (33, 385507), (239, 53229), (717, 17743), (1613, 7887), (2629, 4839)]