15721943315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1543}}^1\times {\mathrm{9221}}^1$

素因数の和:10799

約数の個数: 32

約数和(自身を含む): 21529017216

約数和(自身を除く): 5807073901

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1543, 7715, 9221, 20059, 26231, 46105, 100295, 119873, 131155, 156757, 341003, 599365, 783785, 1705015, 2037841, 10189205, 14228003, 71140015, 184964039, 241876051, 924820195, 1209380255, 3144388663, 15721943315]

約数ペア:

[(1, 15721943315), (5, 3144388663), (13, 1209380255), (17, 924820195), (65, 241876051), (85, 184964039), (221, 71140015), (1105, 14228003), (1543, 10189205), (7715, 2037841), (9221, 1705015), (20059, 783785), (26231, 599365), (46105, 341003), (100295, 156757), (119873, 131155)]