219795121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{22159}}^1$

素因数の和:22288

約数の個数: 16

約数和(自身を含む): 273011200

約数和(自身を除く): 53216079

約数列:

[1, 7, 13, 91, 109, 763, 1417, 9919, 22159, 155113, 288067, 2016469, 2415331, 16907317, 31399303, 219795121]

約数ペア:

[(1, 219795121), (7, 31399303), (13, 16907317), (91, 2415331), (109, 2016469), (763, 288067), (1417, 155113), (9919, 22159)]