42069781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 9822059

約数列:

[1, 13, 17, 19, 43, 221, 233, 247, 323, 559, 731, 817, 3029, 3961, 4199, 4427, 9503, 10019, 10621, 13889, 51493, 57551, 75259, 130247, 170323, 180557, 190361, 978367, 2214199, 2474693, 3236137, 42069781]

約数ペア:

[(1, 42069781), (13, 3236137), (17, 2474693), (19, 2214199), (43, 978367), (221, 190361), (233, 180557), (247, 170323), (323, 130247), (559, 75259), (731, 57551), (817, 51493), (3029, 13889), (3961, 10621), (4199, 10019), (4427, 9503)]