220138911

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{3313}}^1$

素因数の和:3452

約数の個数: 32

約数和(自身を含む): 343595520

約数和(自身を除く): 123456609

約数列:

[1, 3, 9, 23, 27, 69, 107, 207, 321, 621, 963, 2461, 2889, 3313, 7383, 9939, 22149, 29817, 66447, 76199, 89451, 228597, 354491, 685791, 1063473, 2057373, 3190419, 8153293, 9571257, 24459879, 73379637, 220138911]

約数ペア:

[(1, 220138911), (3, 73379637), (9, 24459879), (23, 9571257), (27, 8153293), (69, 3190419), (107, 2057373), (207, 1063473), (321, 685791), (621, 354491), (963, 228597), (2461, 89451), (2889, 76199), (3313, 66447), (7383, 29817), (9939, 22149)]