319891677

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{761}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 502212864

約数和(自身を除く): 182321187

約数列:

[1, 3, 7, 21, 37, 111, 259, 541, 761, 777, 1623, 2283, 3787, 5327, 11361, 15981, 20017, 28157, 60051, 84471, 140119, 197099, 411701, 420357, 591297, 1235103, 2881907, 8645721, 15232937, 45698811, 106630559, 319891677]

約数ペア:

[(1, 319891677), (3, 106630559), (7, 45698811), (21, 15232937), (37, 8645721), (111, 2881907), (259, 1235103), (541, 591297), (761, 420357), (777, 411701), (1623, 197099), (2283, 140119), (3787, 84471), (5327, 60051), (11361, 28157), (15981, 20017)]