2810115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 6080256

約数和(自身を除く): 3270141

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 811, 1155, 2433, 3465, 4055, 5677, 7299, 8921, 12165, 17031, 26763, 28385, 36495, 44605, 51093, 62447, 80289, 85155, 133815, 187341, 255465, 312235, 401445, 562023, 936705, 2810115]

約数ペア:

[(1, 2810115), (3, 936705), (5, 562023), (7, 401445), (9, 312235), (11, 255465), (15, 187341), (21, 133815), (33, 85155), (35, 80289), (45, 62447), (55, 51093), (63, 44605), (77, 36495), (99, 28385), (105, 26763), (165, 17031), (231, 12165), (315, 8921), (385, 7299), (495, 5677), (693, 4055), (811, 3465), (1155, 2433)]