157064985021

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{20718241}}^1$

素因数の和:20718289

約数の個数: 24

約数和(自身を含む): 252596806464

約数和(自身を除く): 95531821443

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 20718241, 62154723, 145027687, 393646579, 435083061, 1180939737, 2755526053, 7479285001, 8266578159, 22437855003, 52354995007, 157064985021]

約数ペア:

[(1, 157064985021), (3, 52354995007), (7, 22437855003), (19, 8266578159), (21, 7479285001), (57, 2755526053), (133, 1180939737), (361, 435083061), (399, 393646579), (1083, 145027687), (2527, 62154723), (7581, 20718241)]