680778855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{889907}}^1$

素因数の和:889935

約数の個数: 24

約数和(自身を含む): 1249430832

約数和(自身を除く): 568651977

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 889907, 2669721, 4449535, 8009163, 13348605, 15128419, 40045815, 45385257, 75642095, 136155771, 226926285, 680778855]

約数ペア:

[(1, 680778855), (3, 226926285), (5, 136155771), (9, 75642095), (15, 45385257), (17, 40045815), (45, 15128419), (51, 13348605), (85, 8009163), (153, 4449535), (255, 2669721), (765, 889907)]