2161005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 4313088

約数和(自身を除く): 2152083

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 1871, 5613, 9355, 13097, 20581, 28065, 39291, 61743, 65485, 102905, 144067, 196455, 308715, 432201, 720335, 2161005]

約数ペア:

[(1, 2161005), (3, 720335), (5, 432201), (7, 308715), (11, 196455), (15, 144067), (21, 102905), (33, 65485), (35, 61743), (55, 39291), (77, 28065), (105, 20581), (165, 13097), (231, 9355), (385, 5613), (1155, 1871)]