157070739

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20719}}^1$

素因数の和:20767

約数の個数: 24

約数和(自身を含む): 252618240

約数和(自身を除く): 95547501

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 20719, 62157, 145033, 393661, 435099, 1180983, 2755627, 7479559, 8266881, 22438677, 52356913, 157070739]

約数ペア:

[(1, 157070739), (3, 52356913), (7, 22438677), (19, 8266881), (21, 7479559), (57, 2755627), (133, 1180983), (361, 435099), (399, 393661), (1083, 145033), (2527, 62157), (7581, 20719)]