205320969

素因数分解:

$3^2\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{1907}}^1$

素因数の和:3629

約数の個数: 24

約数和(自身を含む): 339318720

約数和(自身を除く): 133997751

約数列:

[1, 3, 7, 9, 21, 63, 1709, 1907, 5127, 5721, 11963, 13349, 15381, 17163, 35889, 40047, 107667, 120141, 3259063, 9777189, 22813441, 29331567, 68440323, 205320969]

約数ペア:

[(1, 205320969), (3, 68440323), (7, 29331567), (9, 22813441), (21, 9777189), (63, 3259063), (1709, 120141), (1907, 107667), (5127, 40047), (5721, 35889), (11963, 17163), (13349, 15381)]