12951921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{557}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 18105984

約数和(自身を除く): 5154063

約数列:

[1, 3, 23, 69, 337, 557, 1011, 1671, 7751, 12811, 23253, 38433, 187709, 563127, 4317307, 12951921]

約数ペア:

[(1, 12951921), (3, 4317307), (23, 563127), (69, 187709), (337, 38433), (557, 23253), (1011, 12811), (1671, 7751)]