645662205

素因数分解:

$3^3\times 5^1\times {\mathrm{4782683}}^1$

素因数の和:4782697

約数の個数: 16

約数和(自身を含む): 1147844160

約数和(自身を除く): 502181955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 4782683, 14348049, 23913415, 43044147, 71740245, 129132441, 215220735, 645662205]

約数ペア:

[(1, 645662205), (3, 215220735), (5, 129132441), (9, 71740245), (15, 43044147), (27, 23913415), (45, 14348049), (135, 4782683)]