809969139

素因数分解:

$3^4\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1663}}^1$

素因数の和:2541

約数の個数: 40

約数和(自身を含む): 1385246720

約数和(自身を除く): 575277581

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 859, 1663, 2577, 4989, 6013, 7731, 11641, 14967, 18039, 23193, 34923, 44901, 54117, 69579, 104769, 134703, 162351, 314307, 487053, 942921, 1428517, 4285551, 9999619, 12856653, 29998857, 38569959, 89996571, 115709877, 269989713, 809969139]

約数ペア:

[(1, 809969139), (3, 269989713), (7, 115709877), (9, 89996571), (21, 38569959), (27, 29998857), (63, 12856653), (81, 9999619), (189, 4285551), (567, 1428517), (859, 942921), (1663, 487053), (2577, 314307), (4989, 162351), (6013, 134703), (7731, 104769), (11641, 69579), (14967, 54117), (18039, 44901), (23193, 34923)]