13209879

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 18071424

約数和(自身を除く): 4861545

約数列:

[1, 3, 53, 159, 251, 331, 753, 993, 13303, 17543, 39909, 52629, 83081, 249243, 4403293, 13209879]

約数ペア:

[(1, 13209879), (3, 4403293), (53, 249243), (159, 83081), (251, 52629), (331, 39909), (753, 17543), (993, 13303)]