213367021

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2281}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 262229184

約数和(自身を除く): 48862163

約数列:

[1, 7, 23, 49, 83, 161, 581, 1127, 1909, 2281, 4067, 13363, 15967, 52463, 93541, 111769, 189323, 367241, 1325261, 2570687, 4354429, 9276827, 30481003, 213367021]

約数ペア:

[(1, 213367021), (7, 30481003), (23, 9276827), (49, 4354429), (83, 2570687), (161, 1325261), (581, 367241), (1127, 189323), (1909, 111769), (2281, 93541), (4067, 52463), (13363, 15967)]