169968213

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{31319}}^1$

素因数の和:31398

約数の個数: 20

約数和(自身を含む): 257700960

約数和(自身を除く): 87732747

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 31319, 93957, 281871, 845613, 2098373, 2536839, 6295119, 18885357, 56656071, 169968213]

約数ペア:

[(1, 169968213), (3, 56656071), (9, 18885357), (27, 6295119), (67, 2536839), (81, 2098373), (201, 845613), (603, 281871), (1809, 93957), (5427, 31319)]