68729997

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3970

約数の個数: 32

約数和(自身を含む): 113184000

約数和(自身を除く): 44454003

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 3929, 5831, 11787, 17493, 27503, 66793, 82509, 192521, 200379, 467551, 577563, 1347647, 1402653, 3272857, 4042941, 9818571, 22909999, 68729997]

約数ペア:

[(1, 68729997), (3, 22909999), (7, 9818571), (17, 4042941), (21, 3272857), (49, 1402653), (51, 1347647), (119, 577563), (147, 467551), (343, 200379), (357, 192521), (833, 82509), (1029, 66793), (2499, 27503), (3929, 17493), (5831, 11787)]