12771921

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 17510400

約数和(自身を除く): 4738479

約数列:

[1, 3, 47, 141, 239, 379, 717, 1137, 11233, 17813, 33699, 53439, 90581, 271743, 4257307, 12771921]

約数ペア:

[(1, 12771921), (3, 4257307), (47, 271743), (141, 90581), (239, 53439), (379, 33699), (717, 17813), (1137, 11233)]