9721845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{4409}}^1$

素因数の和:4434

約数の個数: 36

約数和(自身を含む): 19606860

約数和(自身を除く): 9885015

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 4409, 13227, 22045, 30863, 39681, 66135, 92589, 154315, 198405, 216041, 277767, 462945, 648123, 1080205, 1388835, 1944369, 3240615, 9721845]

約数ペア:

[(1, 9721845), (3, 3240615), (5, 1944369), (7, 1388835), (9, 1080205), (15, 648123), (21, 462945), (35, 277767), (45, 216041), (49, 198405), (63, 154315), (105, 92589), (147, 66135), (245, 39681), (315, 30863), (441, 22045), (735, 13227), (2205, 4409)]