201720259

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 229262400

約数和(自身を除く): 27542141

約数列:

[1, 13, 29, 79, 169, 377, 521, 1027, 2291, 4901, 6773, 13351, 15109, 29783, 41159, 88049, 196417, 387179, 535067, 1193611, 2553421, 6955871, 15516943, 201720259]

約数ペア:

[(1, 201720259), (13, 15516943), (29, 6955871), (79, 2553421), (169, 1193611), (377, 535067), (521, 387179), (1027, 196417), (2291, 88049), (4901, 41159), (6773, 29783), (13351, 15109)]