47721921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{2237}}^1$

素因数の和:2800

約数の個数: 16

約数和(自身を含む): 68679744

約数和(自身を除く): 20957823

約数列:

[1, 3, 13, 39, 547, 1641, 2237, 6711, 7111, 21333, 29081, 87243, 1223639, 3670917, 15907307, 47721921]

約数ペア:

[(1, 47721921), (3, 15907307), (13, 3670917), (39, 1223639), (547, 87243), (1641, 29081), (2237, 21333), (6711, 7111)]