2170245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1879}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 4331520

約数和(自身を除く): 2161275

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 1879, 5637, 9395, 13153, 20669, 28185, 39459, 62007, 65765, 103345, 144683, 197295, 310035, 434049, 723415, 2170245]

約数ペア:

[(1, 2170245), (3, 723415), (5, 434049), (7, 310035), (11, 197295), (15, 144683), (21, 103345), (33, 65765), (35, 62007), (55, 39459), (77, 28185), (105, 20669), (165, 13153), (231, 9395), (385, 5637), (1155, 1879)]