40397697

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{1987}}^1$

素因数の和:2250

約数の個数: 20

約数和(自身を含む): 60618096

約数和(自身を除く): 20220399

約数列:

[1, 3, 9, 27, 81, 251, 753, 1987, 2259, 5961, 6777, 17883, 20331, 53649, 160947, 498737, 1496211, 4488633, 13465899, 40397697]

約数ペア:

[(1, 40397697), (3, 13465899), (9, 4488633), (27, 1496211), (81, 498737), (251, 160947), (753, 53649), (1987, 20331), (2259, 17883), (5961, 6777)]