206812395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{270343}}^1$

素因数の和:270371

約数の個数: 24

約数和(自身を含む): 379562976

約数和(自身を除く): 172750581

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 270343, 811029, 1351715, 2433087, 4055145, 4595831, 12165435, 13787493, 22979155, 41362479, 68937465, 206812395]

約数ペア:

[(1, 206812395), (3, 68937465), (5, 41362479), (9, 22979155), (15, 13787493), (17, 12165435), (45, 4595831), (51, 4055145), (85, 2433087), (153, 1351715), (255, 811029), (765, 270343)]