25440381

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{9781}}^1$

素因数の和:9821

約数の個数: 18

約数和(自身を含む): 39039962

約数和(自身を除く): 13599581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 9781, 29343, 88029, 166277, 498831, 1496493, 2826709, 8480127, 25440381]

約数ペア:

[(1, 25440381), (3, 8480127), (9, 2826709), (17, 1496493), (51, 498831), (153, 166277), (289, 88029), (867, 29343), (2601, 9781)]