68228649

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:779

約数の個数: 40

約数和(自身を含む): 108516672

約数和(自身を除く): 40288023

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 207, 477, 621, 691, 1219, 1431, 1863, 2073, 3657, 4293, 6219, 10971, 15893, 18657, 32913, 36623, 47679, 55971, 98739, 109869, 143037, 329607, 429111, 842329, 988821, 1287333, 2526987, 2966463, 7580961, 22742883, 68228649]

約数ペア:

[(1, 68228649), (3, 22742883), (9, 7580961), (23, 2966463), (27, 2526987), (53, 1287333), (69, 988821), (81, 842329), (159, 429111), (207, 329607), (477, 143037), (621, 109869), (691, 98739), (1219, 55971), (1431, 47679), (1863, 36623), (2073, 32913), (3657, 18657), (4293, 15893), (6219, 10971)]