1720043

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 16

約数和(自身を含む): 2018016

約数和(自身を除く): 297973

約数列:

[1, 13, 17, 43, 181, 221, 559, 731, 2353, 3077, 7783, 9503, 40001, 101179, 132311, 1720043]

約数ペア:

[(1, 1720043), (13, 132311), (17, 101179), (43, 40001), (181, 9503), (221, 7783), (559, 3077), (731, 2353)]