1871649

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 3085992

約数和(自身を除く): 1214343

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 941, 1989, 2823, 8469, 12233, 15997, 36699, 47991, 110097, 143973, 207961, 623883, 1871649]

約数ペア:

[(1, 1871649), (3, 623883), (9, 207961), (13, 143973), (17, 110097), (39, 47991), (51, 36699), (117, 15997), (153, 12233), (221, 8469), (663, 2823), (941, 1989)]