31449141

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{2473}}^1$

素因数の和:2642

約数の個数: 20

約数和(自身を含む): 47297932

約数和(自身を除く): 15848791

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 2473, 4239, 7419, 12717, 22257, 66771, 200313, 388261, 1164783, 3494349, 10483047, 31449141]

約数ペア:

[(1, 31449141), (3, 10483047), (9, 3494349), (27, 1164783), (81, 388261), (157, 200313), (471, 66771), (1413, 22257), (2473, 12717), (4239, 7419)]