64216905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251831}}^1$

素因数の和:251856

約数の個数: 16

約数和(自身を含む): 108791424

約数和(自身を除く): 44574519

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 251831, 755493, 1259155, 3777465, 4281127, 12843381, 21405635, 64216905]

約数ペア:

[(1, 64216905), (3, 21405635), (5, 12843381), (15, 4281127), (17, 3777465), (51, 1259155), (85, 755493), (255, 251831)]