40740489

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{7507}}^1$

素因数の和:7586

約数の個数: 20

約数和(自身を含む): 61775824

約数和(自身を除く): 21035335

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 7507, 22521, 67563, 202689, 502969, 608067, 1508907, 4526721, 13580163, 40740489]

約数ペア:

[(1, 40740489), (3, 13580163), (9, 4526721), (27, 1508907), (67, 608067), (81, 502969), (201, 202689), (603, 67563), (1809, 22521), (5427, 7507)]