247433319

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 193828761

約数列:

[1, 3, 7, 9, 21, 27, 37, 41, 63, 111, 123, 189, 259, 287, 333, 369, 777, 861, 863, 999, 1107, 1517, 2331, 2583, 2589, 4551, 6041, 6993, 7749, 7767, 10619, 13653, 18123, 23301, 31857, 31931, 35383, 40959, 54369, 95571, 95793, 106149, 163107, 223517, 247681, 286713, 287379, 318447, 670551, 743043, 862137, 955341, 1309171, 2011653, 2229129, 3927513, 6034959, 6687387, 9164197, 11782539, 27492591, 35347617, 82477773, 247433319]

約数ペア:

[(1, 247433319), (3, 82477773), (7, 35347617), (9, 27492591), (21, 11782539), (27, 9164197), (37, 6687387), (41, 6034959), (63, 3927513), (111, 2229129), (123, 2011653), (189, 1309171), (259, 955341), (287, 862137), (333, 743043), (369, 670551), (777, 318447), (861, 287379), (863, 286713), (999, 247681), (1107, 223517), (1517, 163107), (2331, 106149), (2583, 95793), (2589, 95571), (4551, 54369), (6041, 40959), (6993, 35383), (7749, 31931), (7767, 31857), (10619, 23301), (13653, 18123)]