440011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 550368

約数和(自身を除く): 110357

約数列:

[1, 11, 13, 17, 143, 181, 187, 221, 1991, 2353, 2431, 3077, 25883, 33847, 40001, 440011]

約数ペア:

[(1, 440011), (11, 40001), (13, 33847), (17, 25883), (143, 3077), (181, 2431), (187, 2353), (221, 1991)]