28156977

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2333}}^1$

素因数の和:2494

約数の個数: 20

約数和(自身を含む): 42362100

約数和(自身を除く): 14205123

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2333, 4023, 6999, 12069, 20997, 62991, 188973, 347617, 1042851, 3128553, 9385659, 28156977]

約数ペア:

[(1, 28156977), (3, 9385659), (9, 3128553), (27, 1042851), (81, 347617), (149, 188973), (447, 62991), (1341, 20997), (2333, 12069), (4023, 6999)]