388552563

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{48563}}^1$

素因数の和:48703

約数の個数: 24

約数和(自身を含む): 646483968

約数和(自身を除く): 257931405

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 48563, 145689, 339941, 437067, 1019823, 3059469, 6167501, 18502503, 43172507, 55507509, 129517521, 388552563]

約数ペア:

[(1, 388552563), (3, 129517521), (7, 55507509), (9, 43172507), (21, 18502503), (63, 6167501), (127, 3059469), (381, 1019823), (889, 437067), (1143, 339941), (2667, 145689), (8001, 48563)]