12943203

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 36

約数和(自身を含む): 21779928

約数和(自身を除く): 8836725

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 521, 637, 1183, 1563, 1911, 3549, 3647, 6773, 8281, 10941, 20319, 24843, 25529, 47411, 76587, 88049, 142233, 264147, 331877, 616343, 995631, 1849029, 4314401, 12943203]

約数ペア:

[(1, 12943203), (3, 4314401), (7, 1849029), (13, 995631), (21, 616343), (39, 331877), (49, 264147), (91, 142233), (147, 88049), (169, 76587), (273, 47411), (507, 25529), (521, 24843), (637, 20319), (1183, 10941), (1563, 8281), (1911, 6773), (3549, 3647)]