2019427221

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{272417}}^1$

素因数の和:272780

約数の個数: 16

約数和(自身を含む): 3085951104

約数和(自身を除く): 1066523883

約数列:

[1, 3, 7, 21, 353, 1059, 2471, 7413, 272417, 817251, 1906919, 5720757, 96163201, 288489603, 673142407, 2019427221]

約数ペア:

[(1, 2019427221), (3, 673142407), (7, 288489603), (21, 96163201), (353, 5720757), (1059, 1906919), (2471, 817251), (7413, 272417)]