645117

素因数分解:

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

素因数の和:300

約数の個数: 16

約数和(自身を含む): 952128

約数和(自身を除く): 307011

約数列:

[1, 3, 11, 33, 113, 173, 339, 519, 1243, 1903, 3729, 5709, 19549, 58647, 215039, 645117]

約数ペア:

[(1, 645117), (3, 215039), (11, 58647), (33, 19549), (113, 5709), (173, 3729), (339, 1903), (519, 1243)]