12605385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 21934080

約数和(自身を除く): 9328695

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 509, 635, 1527, 1651, 1905, 2545, 4953, 6617, 7635, 8255, 19851, 24765, 33085, 64643, 99255, 193929, 323215, 840359, 969645, 2521077, 4201795, 12605385]

約数ペア:

[(1, 12605385), (3, 4201795), (5, 2521077), (13, 969645), (15, 840359), (39, 323215), (65, 193929), (127, 99255), (195, 64643), (381, 33085), (509, 24765), (635, 19851), (1527, 8255), (1651, 7635), (1905, 6617), (2545, 4953)]