199874913

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{11593}}^1$

素因数の和:12424

約数の個数: 16

約数和(自身を含む): 304968576

約数和(自身を除く): 105093663

約数列:

[1, 3, 7, 21, 821, 2463, 5747, 11593, 17241, 34779, 81151, 243453, 9517853, 28553559, 66624971, 199874913]

約数ペア:

[(1, 199874913), (3, 66624971), (7, 28553559), (21, 9517853), (821, 243453), (2463, 81151), (5747, 34779), (11593, 17241)]