205128214221

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{27671417}}^1$

素因数の和:27671780

約数の個数: 16

約数和(自身を含む): 313461823104

約数和(自身を除く): 108333608883

約数列:

[1, 3, 7, 21, 353, 1059, 2471, 7413, 27671417, 83014251, 193699919, 581099757, 9768010201, 29304030603, 68376071407, 205128214221]

約数ペア:

[(1, 205128214221), (3, 68376071407), (7, 29304030603), (21, 9768010201), (353, 581099757), (1059, 193699919), (2471, 83014251), (7413, 27671417)]