28091583

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 45185280

約数和(自身を除く): 17093697

約数列:

[1, 3, 9, 13, 27, 39, 117, 163, 351, 489, 491, 1467, 1473, 2119, 4401, 4419, 6357, 6383, 13257, 19071, 19149, 57213, 57447, 80033, 172341, 240099, 720297, 1040429, 2160891, 3121287, 9363861, 28091583]

約数ペア:

[(1, 28091583), (3, 9363861), (9, 3121287), (13, 2160891), (27, 1040429), (39, 720297), (117, 240099), (163, 172341), (351, 80033), (489, 57447), (491, 57213), (1467, 19149), (1473, 19071), (2119, 13257), (4401, 6383), (4419, 6357)]