16874781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 29366400

約数和(自身を除く): 12491619

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 121, 203, 229, 231, 319, 363, 609, 687, 847, 957, 1603, 2233, 2519, 2541, 3509, 4809, 6641, 6699, 7557, 10527, 17633, 19923, 24563, 27709, 46487, 52899, 73051, 73689, 83127, 139461, 193963, 219153, 511357, 581889, 803561, 1534071, 2410683, 5624927, 16874781]

約数ペア:

[(1, 16874781), (3, 5624927), (7, 2410683), (11, 1534071), (21, 803561), (29, 581889), (33, 511357), (77, 219153), (87, 193963), (121, 139461), (203, 83127), (229, 73689), (231, 73051), (319, 52899), (363, 46487), (609, 27709), (687, 24563), (847, 19923), (957, 17633), (1603, 10527), (2233, 7557), (2519, 6699), (2541, 6641), (3509, 4809)]