15840981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{45131}}^1$

素因数の和:45153

約数の個数: 16

約数和(自身を含む): 25273920

約数和(自身を除く): 9432939

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 45131, 135393, 406179, 586703, 1218537, 1760109, 5280327, 15840981]

約数ペア:

[(1, 15840981), (3, 5280327), (9, 1760109), (13, 1218537), (27, 586703), (39, 406179), (117, 135393), (351, 45131)]