13820415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3061}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 25867776

約数和(自身を除く): 12047361

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 3061, 4515, 9183, 15305, 21427, 45915, 64281, 107135, 131623, 321405, 394869, 658115, 921361, 1974345, 2764083, 4606805, 13820415]

約数ペア:

[(1, 13820415), (3, 4606805), (5, 2764083), (7, 1974345), (15, 921361), (21, 658115), (35, 394869), (43, 321405), (105, 131623), (129, 107135), (215, 64281), (301, 45915), (645, 21427), (903, 15305), (1505, 9183), (3061, 4515)]