81804443

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19841}}^1$

素因数の和:19898

約数の個数: 16

約数和(自身を含む): 101591040

約数和(自身を除く): 19786597

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 19841, 138887, 376979, 615071, 2638853, 4305497, 11686349, 81804443]

約数ペア:

[(1, 81804443), (7, 11686349), (19, 4305497), (31, 2638853), (133, 615071), (217, 376979), (589, 138887), (4123, 19841)]