40627881

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13721}}^1$

素因数の和:13781

約数の個数: 24

約数和(自身を含む): 68500224

約数和(自身を除く): 27872343

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 13721, 41163, 96047, 123489, 288141, 644887, 864423, 1934661, 4514209, 5803983, 13542627, 40627881]

約数ペア:

[(1, 40627881), (3, 13542627), (7, 5803983), (9, 4514209), (21, 1934661), (47, 864423), (63, 644887), (141, 288141), (329, 123489), (423, 96047), (987, 41163), (2961, 13721)]