255880233

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{27259}}^1$

素因数の和:27421

約数の個数: 24

約数和(自身を含む): 425256000

約数和(自身を除く): 169375767

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 27259, 81777, 190813, 245331, 572439, 1717317, 4061591, 12184773, 28431137, 36554319, 85293411, 255880233]

約数ペア:

[(1, 255880233), (3, 85293411), (7, 36554319), (9, 28431137), (21, 12184773), (63, 4061591), (149, 1717317), (447, 572439), (1043, 245331), (1341, 190813), (3129, 81777), (9387, 27259)]