78140181

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4209

約数の個数: 32

約数和(自身を含む): 127180800

約数和(自身を除く): 49040619

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 2697, 4139, 6293, 12417, 18879, 28973, 86919, 120031, 128309, 360093, 384927, 840217, 898163, 2520651, 2694489, 3720961, 11162883, 26046727, 78140181]

約数ペア:

[(1, 78140181), (3, 26046727), (7, 11162883), (21, 3720961), (29, 2694489), (31, 2520651), (87, 898163), (93, 840217), (203, 384927), (217, 360093), (609, 128309), (651, 120031), (899, 86919), (2697, 28973), (4139, 18879), (6293, 12417)]