42805269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21521}}^1$

素因数の和:21557

約数の個数: 24

約数和(自身を含む): 70506072

約数和(自身を除く): 27700803

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 21521, 64563, 193689, 279773, 365857, 839319, 1097571, 2517957, 3292713, 4756141, 14268423, 42805269]

約数ペア:

[(1, 42805269), (3, 14268423), (9, 4756141), (13, 3292713), (17, 2517957), (39, 1097571), (51, 839319), (117, 365857), (153, 279773), (221, 193689), (663, 64563), (1989, 21521)]