172997139

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{19661}}^1$

素因数の和:20090

約数の個数: 16

約数和(自身を含む): 264257280

約数和(自身を除く): 91260141

約数列:

[1, 3, 7, 21, 419, 1257, 2933, 8799, 19661, 58983, 137627, 412881, 8237959, 24713877, 57665713, 172997139]

約数ペア:

[(1, 172997139), (3, 57665713), (7, 24713877), (21, 8237959), (419, 412881), (1257, 137627), (2933, 58983), (8799, 19661)]