18020799

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 40

約数和(自身を含む): 29795040

約数和(自身を除く): 11774241

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 569, 621, 1173, 1377, 1707, 1863, 3519, 5121, 9673, 10557, 13087, 15363, 29019, 31671, 39261, 46089, 87057, 117783, 222479, 261171, 353349, 667437, 783513, 1060047, 2002311, 6006933, 18020799]

約数ペア:

[(1, 18020799), (3, 6006933), (9, 2002311), (17, 1060047), (23, 783513), (27, 667437), (51, 353349), (69, 261171), (81, 222479), (153, 117783), (207, 87057), (391, 46089), (459, 39261), (569, 31671), (621, 29019), (1173, 15363), (1377, 13087), (1707, 10557), (1863, 9673), (3519, 5121)]