78877515

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 131383296

約数和(自身を除く): 52505781

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 235, 265, 705, 795, 2111, 2491, 6333, 7473, 10555, 12455, 31665, 37365, 99217, 111883, 297651, 335649, 496085, 559415, 1488255, 1678245, 5258501, 15775503, 26292505, 78877515]

約数ペア:

[(1, 78877515), (3, 26292505), (5, 15775503), (15, 5258501), (47, 1678245), (53, 1488255), (141, 559415), (159, 496085), (235, 335649), (265, 297651), (705, 111883), (795, 99217), (2111, 37365), (2491, 31665), (6333, 12455), (7473, 10555)]