157216899

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{57149}}^1$

素因数の和:57290

約数の個数: 16

約数和(自身を含む): 241401600

約数和(自身を除く): 84184701

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 57149, 171447, 400043, 1200129, 7486519, 22459557, 52405633, 157216899]

約数ペア:

[(1, 157216899), (3, 52405633), (7, 22459557), (21, 7486519), (131, 1200129), (393, 400043), (917, 171447), (2751, 57149)]