201220641

素因数分解:

$3^2\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 293883200

約数和(自身を除く): 92662559

約数列:

[1, 3, 9, 199, 283, 397, 597, 849, 1191, 1791, 2547, 3573, 56317, 79003, 112351, 168951, 237009, 337053, 506853, 711027, 1011159, 22357849, 67073547, 201220641]

約数ペア:

[(1, 201220641), (3, 67073547), (9, 22357849), (199, 1011159), (283, 711027), (397, 506853), (597, 337053), (849, 237009), (1191, 168951), (1791, 112351), (2547, 79003), (3573, 56317)]