920023

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 16

約数和(自身を含む): 1100736

約数和(自身を除く): 180713

約数列:

[1, 13, 17, 23, 181, 221, 299, 391, 2353, 3077, 4163, 5083, 40001, 54119, 70771, 920023]

約数ペア:

[(1, 920023), (13, 70771), (17, 54119), (23, 40001), (181, 5083), (221, 4163), (299, 3077), (391, 2353)]