12639081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 21081088

約数和(自身を除く): 8442007

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 691, 871, 1407, 2073, 2613, 4837, 6097, 8983, 14511, 18291, 26949, 46297, 62881, 138891, 188643, 324079, 601861, 972237, 1805583, 4213027, 12639081]

約数ペア:

[(1, 12639081), (3, 4213027), (7, 1805583), (13, 972237), (21, 601861), (39, 324079), (67, 188643), (91, 138891), (201, 62881), (273, 46297), (469, 26949), (691, 18291), (871, 14511), (1407, 8983), (2073, 6097), (2613, 4837)]