67819761

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{5333}}^1$

素因数の和:5502

約数の個数: 20

約数和(自身を含む): 101975412

約数和(自身を除く): 34155651

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 5333, 12717, 15999, 47997, 143991, 431973, 837281, 2511843, 7535529, 22606587, 67819761]

約数ペア:

[(1, 67819761), (3, 22606587), (9, 7535529), (27, 2511843), (81, 837281), (157, 431973), (471, 143991), (1413, 47997), (4239, 15999), (5333, 12717)]