70203021

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 109209600

約数和(自身を除く): 39006579

約数列:

[1, 3, 7, 21, 107, 157, 199, 321, 471, 597, 749, 1099, 1393, 2247, 3297, 4179, 16799, 21293, 31243, 50397, 63879, 93729, 117593, 149051, 218701, 352779, 447153, 656103, 3343001, 10029003, 23401007, 70203021]

約数ペア:

[(1, 70203021), (3, 23401007), (7, 10029003), (21, 3343001), (107, 656103), (157, 447153), (199, 352779), (321, 218701), (471, 149051), (597, 117593), (749, 93729), (1099, 63879), (1393, 50397), (2247, 31243), (3297, 21293), (4179, 16799)]