320401521

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{2503}}^1$

素因数の和:2954

約数の個数: 32

約数和(自身を含む): 519229440

約数和(自身を除く): 198827919

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 431, 1293, 2503, 3879, 4741, 7509, 11637, 14223, 22527, 27533, 42669, 67581, 82599, 128007, 247797, 743391, 1078793, 3236379, 9709137, 11866723, 29127411, 35600169, 106800507, 320401521]

約数ペア:

[(1, 320401521), (3, 106800507), (9, 35600169), (11, 29127411), (27, 11866723), (33, 9709137), (99, 3236379), (297, 1078793), (431, 743391), (1293, 247797), (2503, 128007), (3879, 82599), (4741, 67581), (7509, 42669), (11637, 27533), (14223, 22527)]