64984545

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20929}}^1$

素因数の和:20966

約数の個数: 32

約数和(自身を含む): 120556800

約数和(自身を除く): 55572255

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 20929, 62787, 104645, 188361, 313935, 481367, 565083, 941805, 1444101, 2406835, 2825415, 4332303, 7220505, 12996909, 21661515, 64984545]

約数ペア:

[(1, 64984545), (3, 21661515), (5, 12996909), (9, 7220505), (15, 4332303), (23, 2825415), (27, 2406835), (45, 1444101), (69, 941805), (115, 565083), (135, 481367), (207, 313935), (345, 188361), (621, 104645), (1035, 62787), (3105, 20929)]