20161250901

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{61843}}^1$

素因数の和:61986

約数の個数: 48

約数和(自身を含む): 32995010880

約数和(自身を除く): 12833759979

約数列:

[1, 3, 9, 11, 33, 37, 89, 99, 111, 267, 333, 407, 801, 979, 1221, 2937, 3293, 3663, 8811, 9879, 29637, 36223, 61843, 108669, 185529, 326007, 556587, 680273, 2040819, 2288191, 5504027, 6122457, 6864573, 16512081, 20593719, 25170101, 49536243, 60544297, 75510303, 181632891, 203648999, 226530909, 544898673, 610946997, 1832840991, 2240138989, 6720416967, 20161250901]

約数ペア:

[(1, 20161250901), (3, 6720416967), (9, 2240138989), (11, 1832840991), (33, 610946997), (37, 544898673), (89, 226530909), (99, 203648999), (111, 181632891), (267, 75510303), (333, 60544297), (407, 49536243), (801, 25170101), (979, 20593719), (1221, 16512081), (2937, 6864573), (3293, 6122457), (3663, 5504027), (8811, 2288191), (9879, 2040819), (29637, 680273), (36223, 556587), (61843, 326007), (108669, 185529)]