89612289

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{797}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 144219348

約数和(自身を除く): 54607059

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 797, 961, 1209, 2391, 2883, 3627, 7173, 8649, 10361, 12493, 24707, 31083, 37479, 74121, 93249, 112437, 222363, 321191, 765917, 963573, 2297751, 2890719, 6893253, 9956921, 29870763, 89612289]

約数ペア:

[(1, 89612289), (3, 29870763), (9, 9956921), (13, 6893253), (31, 2890719), (39, 2297751), (93, 963573), (117, 765917), (279, 321191), (403, 222363), (797, 112437), (961, 93249), (1209, 74121), (2391, 37479), (2883, 31083), (3627, 24707), (7173, 12493), (8649, 10361)]