127577905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 189504000

約数和(自身を除く): 61926095

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 455, 995, 1393, 1409, 2587, 6965, 7045, 9863, 12935, 18109, 18317, 49315, 90545, 91585, 128219, 280391, 641095, 1401955, 1962737, 3645083, 9813685, 18225415, 25515581, 127577905]

約数ペア:

[(1, 127577905), (5, 25515581), (7, 18225415), (13, 9813685), (35, 3645083), (65, 1962737), (91, 1401955), (199, 641095), (455, 280391), (995, 128219), (1393, 91585), (1409, 90545), (2587, 49315), (6965, 18317), (7045, 18109), (9863, 12935)]