40420863

素因数分解:

$3^6\times 7^1\times {\mathrm{89}}^2$

素因数の和:203

約数の個数: 42

約数和(自身を含む): 70048184

約数和(自身を除く): 29627321

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 243, 267, 567, 623, 729, 801, 1701, 1869, 2403, 5103, 5607, 7209, 7921, 16821, 21627, 23763, 50463, 55447, 64881, 71289, 151389, 166341, 213867, 454167, 499023, 641601, 1497069, 1924803, 4491207, 5774409, 13473621, 40420863]

約数ペア:

[(1, 40420863), (3, 13473621), (7, 5774409), (9, 4491207), (21, 1924803), (27, 1497069), (63, 641601), (81, 499023), (89, 454167), (189, 213867), (243, 166341), (267, 151389), (567, 71289), (623, 64881), (729, 55447), (801, 50463), (1701, 23763), (1869, 21627), (2403, 16821), (5103, 7921), (5607, 7209)]