42754705

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1729

約数の個数: 24

約数和(自身を含む): 60267240

約数和(自身を除く): 17512535

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 763, 1601, 3815, 5341, 8005, 11207, 26705, 56035, 78449, 174509, 392245, 872545, 1221563, 6107815, 8550941, 42754705]

約数ペア:

[(1, 42754705), (5, 8550941), (7, 6107815), (35, 1221563), (49, 872545), (109, 392245), (245, 174509), (545, 78449), (763, 56035), (1601, 26705), (3815, 11207), (5341, 8005)]