77888385

素因数分解:

$3^4\times 5^1\times {\mathrm{192317}}^1$

素因数の和:192334

約数の個数: 20

約数和(自身を含む): 139622868

約数和(自身を除く): 61734483

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 192317, 576951, 961585, 1730853, 2884755, 5192559, 8654265, 15577677, 25962795, 77888385]

約数ペア:

[(1, 77888385), (3, 25962795), (5, 15577677), (9, 8654265), (15, 5192559), (27, 2884755), (45, 1730853), (81, 961585), (135, 576951), (405, 192317)]