213343207

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{35983}}^1$

素因数の和:36019

約数の個数: 18

約数和(自身を含む): 272794704

約数和(自身を除く): 59451497

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 35983, 251881, 395813, 1763167, 2770691, 4353943, 19394837, 30477601, 213343207]

約数ペア:

[(1, 213343207), (7, 30477601), (11, 19394837), (49, 4353943), (77, 2770691), (121, 1763167), (539, 395813), (847, 251881), (5929, 35983)]