72898221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^2\times {\mathrm{173}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 107598816

約数和(自身を除く): 34700595

約数列:

[1, 3, 11, 33, 113, 173, 339, 519, 1243, 1903, 3729, 5709, 12769, 19549, 38307, 58647, 140459, 215039, 421377, 645117, 2209037, 6627111, 24299407, 72898221]

約数ペア:

[(1, 72898221), (3, 24299407), (11, 6627111), (33, 2209037), (113, 645117), (173, 421377), (339, 215039), (519, 140459), (1243, 58647), (1903, 38307), (3729, 19549), (5709, 12769)]