68470515

素因数分解:

$3^4\times 5^1\times {\mathrm{169063}}^1$

素因数の和:169080

約数の個数: 20

約数和(自身を含む): 122740464

約数和(自身を除く): 54269949

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169063, 507189, 845315, 1521567, 2535945, 4564701, 7607835, 13694103, 22823505, 68470515]

約数ペア:

[(1, 68470515), (3, 22823505), (5, 13694103), (9, 7607835), (15, 4564701), (27, 2535945), (45, 1521567), (81, 845315), (135, 507189), (405, 169063)]