23123121

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 37340160

約数和(自身を除く): 14217039

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 883, 903, 1247, 2649, 3741, 6181, 8729, 18543, 25607, 26187, 37969, 76821, 113907, 179249, 265783, 537747, 797349, 1101101, 3303303, 7707707, 23123121]

約数ペア:

[(1, 23123121), (3, 7707707), (7, 3303303), (21, 1101101), (29, 797349), (43, 537747), (87, 265783), (129, 179249), (203, 113907), (301, 76821), (609, 37969), (883, 26187), (903, 25607), (1247, 18543), (2649, 8729), (3741, 6181)]