7218255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 13138272

約数和(自身を除く): 5920017

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 97, 121, 123, 165, 205, 291, 363, 451, 485, 605, 615, 1067, 1353, 1455, 1815, 2255, 3201, 3977, 4961, 5335, 6765, 11737, 11931, 14883, 16005, 19885, 24805, 35211, 43747, 58685, 59655, 74415, 131241, 176055, 218735, 481217, 656205, 1443651, 2406085, 7218255]

約数ペア:

[(1, 7218255), (3, 2406085), (5, 1443651), (11, 656205), (15, 481217), (33, 218735), (41, 176055), (55, 131241), (97, 74415), (121, 59655), (123, 58685), (165, 43747), (205, 35211), (291, 24805), (363, 19885), (451, 16005), (485, 14883), (605, 11931), (615, 11737), (1067, 6765), (1353, 5335), (1455, 4961), (1815, 3977), (2255, 3201)]