218184477

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{997}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 352956672

約数和(自身を除く): 134772195

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 613, 997, 1839, 2991, 4291, 6979, 10421, 12873, 16949, 20937, 31263, 50847, 72947, 118643, 218841, 355929, 611161, 1833483, 4278127, 10389737, 12834381, 31169211, 72728159, 218184477]

約数ペア:

[(1, 218184477), (3, 72728159), (7, 31169211), (17, 12834381), (21, 10389737), (51, 4278127), (119, 1833483), (357, 611161), (613, 355929), (997, 218841), (1839, 118643), (2991, 72947), (4291, 50847), (6979, 31263), (10421, 20937), (12873, 16949)]