199951269

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{501131}}^1$

素因数の和:501160

約数の個数: 16

約数和(自身を含む): 320724480

約数和(自身を除く): 120773211

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 501131, 1503393, 3507917, 9521489, 10523751, 28564467, 66650423, 199951269]

約数ペア:

[(1, 199951269), (3, 66650423), (7, 28564467), (19, 10523751), (21, 9521489), (57, 3507917), (133, 1503393), (399, 501131)]