204571005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{3607}}^1$

素因数の和:3833

約数の個数: 32

約数和(自身を含む): 346368000

約数和(自身を除く): 141796995

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 285, 597, 995, 2985, 3607, 3781, 10821, 11343, 18035, 18905, 54105, 56715, 68533, 205599, 342665, 717793, 1027995, 2153379, 3588965, 10766895, 13638067, 40914201, 68190335, 204571005]

約数ペア:

[(1, 204571005), (3, 68190335), (5, 40914201), (15, 13638067), (19, 10766895), (57, 3588965), (95, 2153379), (199, 1027995), (285, 717793), (597, 342665), (995, 205599), (2985, 68533), (3607, 56715), (3781, 54105), (10821, 18905), (11343, 18035)]