163906947

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 36

約数和(自身を含む): 250177200

約数和(自身を除く): 86270253

約数列:

[1, 3, 9, 23, 69, 173, 199, 207, 519, 529, 597, 1557, 1587, 1791, 3979, 4577, 4761, 11937, 13731, 34427, 35811, 41193, 91517, 103281, 105271, 274551, 309843, 315813, 791821, 823653, 947439, 2375463, 7126389, 18211883, 54635649, 163906947]

約数ペア:

[(1, 163906947), (3, 54635649), (9, 18211883), (23, 7126389), (69, 2375463), (173, 947439), (199, 823653), (207, 791821), (519, 315813), (529, 309843), (597, 274551), (1557, 105271), (1587, 103281), (1791, 91517), (3979, 41193), (4577, 35811), (4761, 34427), (11937, 13731)]