2241855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 4852224

約数和(自身を除く): 2610369

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 647, 693, 1155, 1941, 3235, 3465, 4529, 5823, 7117, 9705, 13587, 21351, 22645, 29115, 35585, 40761, 49819, 64053, 67935, 106755, 149457, 203805, 249095, 320265, 448371, 747285, 2241855]

約数ペア:

[(1, 2241855), (3, 747285), (5, 448371), (7, 320265), (9, 249095), (11, 203805), (15, 149457), (21, 106755), (33, 67935), (35, 64053), (45, 49819), (55, 40761), (63, 35585), (77, 29115), (99, 22645), (105, 21351), (165, 13587), (231, 9705), (315, 7117), (385, 5823), (495, 4529), (647, 3465), (693, 3235), (1155, 1941)]