970209

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 1510080

約数和(自身を除く): 539871

約数列:

[1, 3, 9, 23, 43, 69, 109, 129, 207, 327, 387, 981, 989, 2507, 2967, 4687, 7521, 8901, 14061, 22563, 42183, 107801, 323403, 970209]

約数ペア:

[(1, 970209), (3, 323403), (9, 107801), (23, 42183), (43, 22563), (69, 14061), (109, 8901), (129, 7521), (207, 4687), (327, 2967), (387, 2507), (981, 989)]