208996977

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 323841024

約数和(自身を除く): 114844047

約数列:

[1, 3, 7, 21, 101, 211, 303, 467, 633, 707, 1401, 1477, 2121, 3269, 4431, 9807, 21311, 47167, 63933, 98537, 141501, 149177, 295611, 330169, 447531, 689759, 990507, 2069277, 9952237, 29856711, 69665659, 208996977]

約数ペア:

[(1, 208996977), (3, 69665659), (7, 29856711), (21, 9952237), (101, 2069277), (211, 990507), (303, 689759), (467, 447531), (633, 330169), (707, 295611), (1401, 149177), (1477, 141501), (2121, 98537), (3269, 63933), (4431, 47167), (9807, 21311)]