2226915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 4245696

約数和(自身を除く): 2018781

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 71, 85, 123, 153, 205, 213, 255, 355, 369, 615, 639, 697, 765, 1065, 1207, 1845, 2091, 2911, 3195, 3485, 3621, 6035, 6273, 8733, 10455, 10863, 14555, 18105, 26199, 31365, 43665, 49487, 54315, 130995, 148461, 247435, 445383, 742305, 2226915]

約数ペア:

[(1, 2226915), (3, 742305), (5, 445383), (9, 247435), (15, 148461), (17, 130995), (41, 54315), (45, 49487), (51, 43665), (71, 31365), (85, 26199), (123, 18105), (153, 14555), (205, 10863), (213, 10455), (255, 8733), (355, 6273), (369, 6035), (615, 3621), (639, 3485), (697, 3195), (765, 2911), (1065, 2091), (1207, 1845)]