12891741

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 17534208

約数和(自身を除く): 4642467

約数列:

[1, 3, 101, 157, 271, 303, 471, 813, 15857, 27371, 42547, 47571, 82113, 127641, 4297247, 12891741]

約数ペア:

[(1, 12891741), (3, 4297247), (101, 127641), (157, 82113), (271, 47571), (303, 42547), (471, 27371), (813, 15857)]