51399369

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^2\times {\mathrm{103}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 86646976

約数和(自身を除く): 35247607

約数列:

[1, 3, 7, 9, 21, 63, 89, 103, 267, 309, 623, 721, 801, 927, 1869, 2163, 5607, 6489, 7921, 9167, 23763, 27501, 55447, 64169, 71289, 82503, 166341, 192507, 499023, 577521, 815863, 2447589, 5711041, 7342767, 17133123, 51399369]

約数ペア:

[(1, 51399369), (3, 17133123), (7, 7342767), (9, 5711041), (21, 2447589), (63, 815863), (89, 577521), (103, 499023), (267, 192507), (309, 166341), (623, 82503), (721, 71289), (801, 64169), (927, 55447), (1869, 27501), (2163, 23763), (5607, 9167), (6489, 7921)]