311123007

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 491673000

約数和(自身を除く): 180549993

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 499, 657, 949, 1497, 2847, 4491, 5329, 6487, 8541, 15987, 19461, 36427, 47961, 58383, 69277, 109281, 207831, 327843, 473551, 623493, 1420653, 2659171, 4261959, 7977513, 23932539, 34569223, 103707669, 311123007]

約数ペア:

[(1, 311123007), (3, 103707669), (9, 34569223), (13, 23932539), (39, 7977513), (73, 4261959), (117, 2659171), (219, 1420653), (499, 623493), (657, 473551), (949, 327843), (1497, 207831), (2847, 109281), (4491, 69277), (5329, 58383), (6487, 47961), (8541, 36427), (15987, 19461)]