1291260321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{32749}}^1$

素因数の和:33105

約数の個数: 24

約数和(自身を含む): 2014649000

約数和(自身を除く): 723388679

約数列:

[1, 3, 9, 13, 39, 117, 337, 1011, 3033, 4381, 13143, 32749, 39429, 98247, 294741, 425737, 1277211, 3831633, 11036413, 33109239, 99327717, 143473369, 430420107, 1291260321]

約数ペア:

[(1, 1291260321), (3, 430420107), (9, 143473369), (13, 99327717), (39, 33109239), (117, 11036413), (337, 3831633), (1011, 1277211), (3033, 425737), (4381, 294741), (13143, 98247), (32749, 39429)]