2197965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4443264

約数和(自身を除く): 2245299

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 173, 231, 363, 385, 519, 605, 847, 865, 1155, 1211, 1815, 1903, 2541, 2595, 3633, 4235, 5709, 6055, 9515, 12705, 13321, 18165, 20933, 28545, 39963, 62799, 66605, 104665, 146531, 199815, 313995, 439593, 732655, 2197965]

約数ペア:

[(1, 2197965), (3, 732655), (5, 439593), (7, 313995), (11, 199815), (15, 146531), (21, 104665), (33, 66605), (35, 62799), (55, 39963), (77, 28545), (105, 20933), (121, 18165), (165, 13321), (173, 12705), (231, 9515), (363, 6055), (385, 5709), (519, 4235), (605, 3633), (847, 2595), (865, 2541), (1155, 1903), (1211, 1815)]