209465265

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{196681}}^1$

素因数の和:196760

約数の個数: 16

約数和(自身を含む): 339866496

約数和(自身を除く): 130401231

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 196681, 590043, 983405, 2950215, 13964351, 41893053, 69821755, 209465265]

約数ペア:

[(1, 209465265), (3, 69821755), (5, 41893053), (15, 13964351), (71, 2950215), (213, 983405), (355, 590043), (1065, 196681)]