28992921

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 39720960

約数和(自身を除く): 10728039

約数列:

[1, 3, 71, 79, 213, 237, 1723, 5169, 5609, 16827, 122333, 136117, 366999, 408351, 9664307, 28992921]

約数ペア:

[(1, 28992921), (3, 9664307), (71, 408351), (79, 366999), (213, 136117), (237, 122333), (1723, 16827), (5169, 5609)]