78841581

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5449}}^1$

素因数の和:5525

約数の個数: 32

約数和(自身を含む): 131846400

約数和(自身を除く): 53004819

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 5449, 14469, 16347, 38143, 70837, 114429, 212511, 288797, 495859, 866391, 1487577, 2021579, 3754361, 6064737, 11263083, 26280527, 78841581]

約数ペア:

[(1, 78841581), (3, 26280527), (7, 11263083), (13, 6064737), (21, 3754361), (39, 2021579), (53, 1487577), (91, 866391), (159, 495859), (273, 288797), (371, 212511), (689, 114429), (1113, 70837), (2067, 38143), (4823, 16347), (5449, 14469)]