64819845

素因数分解:

$3^4\times 5^1\times {\mathrm{160049}}^1$

素因数の和:160066

約数の個数: 20

約数和(自身を含む): 116196300

約数和(自身を除く): 51376455

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 160049, 480147, 800245, 1440441, 2400735, 4321323, 7202205, 12963969, 21606615, 64819845]

約数ペア:

[(1, 64819845), (3, 21606615), (5, 12963969), (9, 7202205), (15, 4321323), (27, 2400735), (45, 1440441), (81, 800245), (135, 480147), (405, 160049)]