389045139

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 603832320

約数和(自身を除く): 214787181

約数列:

[1, 3, 7, 21, 71, 213, 311, 497, 839, 933, 1491, 2177, 2517, 5873, 6531, 17619, 22081, 59569, 66243, 154567, 178707, 260929, 416983, 463701, 782787, 1250949, 1826503, 5479509, 18525959, 55577877, 129681713, 389045139]

約数ペア:

[(1, 389045139), (3, 129681713), (7, 55577877), (21, 18525959), (71, 5479509), (213, 1826503), (311, 1250949), (497, 782787), (839, 463701), (933, 416983), (1491, 260929), (2177, 178707), (2517, 154567), (5873, 66243), (6531, 59569), (17619, 22081)]