168261639

素因数分解:

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

素因数の和:577

約数の個数: 48

約数和(自身を含む): 283258080

約数和(自身を除く): 114996441

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 521, 637, 1183, 1563, 1911, 2197, 3549, 3647, 6591, 6773, 8281, 10941, 15379, 20319, 24843, 25529, 46137, 47411, 76587, 88049, 107653, 142233, 264147, 322959, 331877, 616343, 995631, 1144637, 1849029, 3433911, 4314401, 8012459, 12943203, 24037377, 56087213, 168261639]

約数ペア:

[(1, 168261639), (3, 56087213), (7, 24037377), (13, 12943203), (21, 8012459), (39, 4314401), (49, 3433911), (91, 1849029), (147, 1144637), (169, 995631), (273, 616343), (507, 331877), (521, 322959), (637, 264147), (1183, 142233), (1563, 107653), (1911, 88049), (2197, 76587), (3549, 47411), (3647, 46137), (6591, 25529), (6773, 24843), (8281, 20319), (10941, 15379)]