1331217

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 24

約数和(自身を含む): 2059200

約数和(自身を除く): 727983

約数列:

[1, 3, 9, 23, 59, 69, 109, 177, 207, 327, 531, 981, 1357, 2507, 4071, 6431, 7521, 12213, 19293, 22563, 57879, 147913, 443739, 1331217]

約数ペア:

[(1, 1331217), (3, 443739), (9, 147913), (23, 57879), (59, 22563), (69, 19293), (109, 12213), (177, 7521), (207, 6431), (327, 4071), (531, 2507), (981, 1357)]