219254321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90191}}^1$

素因数の和:90232

約数の個数: 16

約数和(自身を含む): 272740608

約数和(自身を除く): 53486287

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 90191, 992101, 1172483, 1533247, 12897313, 16865717, 19932211, 219254321]

約数ペア:

[(1, 219254321), (11, 19932211), (13, 16865717), (17, 12897313), (143, 1533247), (187, 1172483), (221, 992101), (2431, 90191)]