311947713

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 579594240

約数和(自身を除く): 267646527

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 227, 231, 297, 661, 681, 693, 1589, 1983, 2043, 2079, 2497, 4627, 4767, 5949, 6129, 7271, 7491, 13881, 14301, 17479, 17847, 21813, 22473, 41643, 42903, 50897, 52437, 65439, 67419, 124929, 150047, 152691, 157311, 196317, 450141, 458073, 471933, 1050329, 1350423, 1374219, 1650517, 3150987, 4051269, 4951551, 9452961, 11553619, 14854653, 28358883, 34660857, 44563959, 103982571, 311947713]

約数ペア:

[(1, 311947713), (3, 103982571), (7, 44563959), (9, 34660857), (11, 28358883), (21, 14854653), (27, 11553619), (33, 9452961), (63, 4951551), (77, 4051269), (99, 3150987), (189, 1650517), (227, 1374219), (231, 1350423), (297, 1050329), (661, 471933), (681, 458073), (693, 450141), (1589, 196317), (1983, 157311), (2043, 152691), (2079, 150047), (2497, 124929), (4627, 67419), (4767, 65439), (5949, 52437), (6129, 50897), (7271, 42903), (7491, 41643), (13881, 22473), (14301, 21813), (17479, 17847)]