242880921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{9739}}^1$

素因数の和:9925

約数の個数: 24

約数和(自身を含む): 373782240

約数和(自身を除く): 130901319

約数列:

[1, 3, 9, 17, 51, 153, 163, 489, 1467, 2771, 8313, 9739, 24939, 29217, 87651, 165563, 496689, 1490067, 1587457, 4762371, 14287113, 26986769, 80960307, 242880921]

約数ペア:

[(1, 242880921), (3, 80960307), (9, 26986769), (17, 14287113), (51, 4762371), (153, 1587457), (163, 1490067), (489, 496689), (1467, 165563), (2771, 87651), (8313, 29217), (9739, 24939)]