2126565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 4338048

約数和(自身を除く): 2211483

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 157, 215, 301, 315, 387, 471, 645, 785, 903, 1099, 1413, 1505, 1935, 2355, 2709, 3297, 4515, 5495, 6751, 7065, 9891, 13545, 16485, 20253, 33755, 47257, 49455, 60759, 101265, 141771, 236285, 303795, 425313, 708855, 2126565]

約数ペア:

[(1, 2126565), (3, 708855), (5, 425313), (7, 303795), (9, 236285), (15, 141771), (21, 101265), (35, 60759), (43, 49455), (45, 47257), (63, 33755), (105, 20253), (129, 16485), (157, 13545), (215, 9891), (301, 7065), (315, 6751), (387, 5495), (471, 4515), (645, 3297), (785, 2709), (903, 2355), (1099, 1935), (1413, 1505)]