17221897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1171}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 21602304

約数和(自身を除く): 4380407

約数列:

[1, 7, 11, 77, 191, 1171, 1337, 2101, 8197, 12881, 14707, 90167, 223661, 1565627, 2460271, 17221897]

約数ペア:

[(1, 17221897), (7, 2460271), (11, 1565627), (77, 223661), (191, 90167), (1171, 14707), (1337, 12881), (2101, 8197)]