2451969

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 4018560

約数和(自身を除く): 1566591

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 1103, 2223, 3309, 9927, 14339, 20957, 43017, 62871, 129051, 188613, 272441, 817323, 2451969]

約数ペア:

[(1, 2451969), (3, 817323), (9, 272441), (13, 188613), (19, 129051), (39, 62871), (57, 43017), (117, 20957), (171, 14339), (247, 9927), (741, 3309), (1103, 2223)]