201390709

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{3301}}^1$

素因数の和:3365

約数の個数: 18

約数和(自身を含む): 230225346

約数和(自身を除く): 28834637

約数列:

[1, 13, 19, 169, 247, 361, 3211, 3301, 4693, 42913, 61009, 62719, 557869, 815347, 1191661, 10599511, 15491593, 201390709]

約数ペア:

[(1, 201390709), (13, 15491593), (19, 10599511), (169, 1191661), (247, 815347), (361, 557869), (3211, 62719), (3301, 61009), (4693, 42913)]