15661346421

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{195691}}^1$

素因数の和:195841

約数の個数: 32

約数和(自身を含む): 24747993088

約数和(自身を除く): 9086646667

約数列:

[1, 3, 7, 21, 37, 103, 111, 259, 309, 721, 777, 2163, 3811, 11433, 26677, 80031, 195691, 587073, 1369837, 4109511, 7240567, 20156173, 21721701, 50683969, 60468519, 141093211, 152051907, 423279633, 745778401, 2237335203, 5220448807, 15661346421]

約数ペア:

[(1, 15661346421), (3, 5220448807), (7, 2237335203), (21, 745778401), (37, 423279633), (103, 152051907), (111, 141093211), (259, 60468519), (309, 50683969), (721, 21721701), (777, 20156173), (2163, 7240567), (3811, 4109511), (11433, 1369837), (26677, 587073), (80031, 195691)]