16944291

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 31921344

約数和(自身を除く): 14977053

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1217, 1547, 1989, 3651, 4641, 8519, 10953, 13923, 15821, 20689, 25557, 47463, 62067, 76671, 110747, 142389, 144823, 186201, 268957, 332241, 434469, 806871, 996723, 1303407, 1882699, 2420613, 5648097, 16944291]

約数ペア:

[(1, 16944291), (3, 5648097), (7, 2420613), (9, 1882699), (13, 1303407), (17, 996723), (21, 806871), (39, 434469), (51, 332241), (63, 268957), (91, 186201), (117, 144823), (119, 142389), (153, 110747), (221, 76671), (273, 62067), (357, 47463), (663, 25557), (819, 20689), (1071, 15821), (1217, 13923), (1547, 10953), (1989, 8519), (3651, 4641)]