2720277

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 4742400

約数和(自身を除く): 2022123

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 389, 777, 999, 1167, 2331, 2723, 3501, 6993, 8169, 10503, 14393, 24507, 43179, 73521, 100751, 129537, 302253, 388611, 906759, 2720277]

約数ペア:

[(1, 2720277), (3, 906759), (7, 388611), (9, 302253), (21, 129537), (27, 100751), (37, 73521), (63, 43179), (111, 24507), (189, 14393), (259, 10503), (333, 8169), (389, 6993), (777, 3501), (999, 2723), (1167, 2331)]