2030805

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{307}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 4213440

約数和(自身を除く): 2182635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 307, 315, 441, 735, 921, 945, 1323, 1535, 2149, 2205, 2763, 4605, 6447, 6615, 8289, 10745, 13815, 15043, 19341, 32235, 41445, 45129, 58023, 75215, 96705, 135387, 225645, 290115, 406161, 676935, 2030805]

約数ペア:

[(1, 2030805), (3, 676935), (5, 406161), (7, 290115), (9, 225645), (15, 135387), (21, 96705), (27, 75215), (35, 58023), (45, 45129), (49, 41445), (63, 32235), (105, 19341), (135, 15043), (147, 13815), (189, 10745), (245, 8289), (307, 6615), (315, 6447), (441, 4605), (735, 2763), (921, 2205), (945, 2149), (1323, 1535)]