87415281

素因数分解:

$3^4\times {\mathrm{461}}^1\times {\mathrm{2341}}^1$

素因数の和:2814

約数の個数: 20

約数和(自身を含む): 130922484

約数和(自身を除く): 43507203

約数列:

[1, 3, 9, 27, 81, 461, 1383, 2341, 4149, 7023, 12447, 21069, 37341, 63207, 189621, 1079201, 3237603, 9712809, 29138427, 87415281]

約数ペア:

[(1, 87415281), (3, 29138427), (9, 9712809), (27, 3237603), (81, 1079201), (461, 189621), (1383, 63207), (2341, 37341), (4149, 21069), (7023, 12447)]