278301357

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{25367}}^1$

素因数の和:25449

約数の個数: 24

約数和(自身を含む): 427400064

約数和(自身を除く): 149098707

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 10971, 25367, 76101, 228303, 583441, 1344451, 1750323, 4033353, 5250969, 12100059, 30922373, 92767119, 278301357]

約数ペア:

[(1, 278301357), (3, 92767119), (9, 30922373), (23, 12100059), (53, 5250969), (69, 4033353), (159, 1750323), (207, 1344451), (477, 583441), (1219, 228303), (3657, 76101), (10971, 25367)]