213960929

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{10639}}^1$

素因数の和:10689

約数の個数: 24

約数和(自身を含む): 280385280

約数和(自身を除く): 66424351

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 1183, 1547, 2873, 10639, 20111, 74473, 138307, 180863, 968149, 1266041, 1797991, 2351219, 12585937, 16458533, 30565847, 213960929]

約数ペア:

[(1, 213960929), (7, 30565847), (13, 16458533), (17, 12585937), (91, 2351219), (119, 1797991), (169, 1266041), (221, 968149), (1183, 180863), (1547, 138307), (2873, 74473), (10639, 20111)]