31423869

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{2791}}^1$

素因数の和:2942

約数の個数: 20

約数和(自身を含む): 47296480

約数和(自身を除く): 15872611

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 2791, 3753, 8373, 11259, 25119, 75357, 226071, 387949, 1163847, 3491541, 10474623, 31423869]

約数ペア:

[(1, 31423869), (3, 10474623), (9, 3491541), (27, 1163847), (81, 387949), (139, 226071), (417, 75357), (1251, 25119), (2791, 11259), (3753, 8373)]