8091321

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2933

約数の個数: 24

約数和(自身を含む): 13214880

約数和(自身を除く): 5123559

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 2897, 8691, 20279, 55043, 60837, 141953, 165129, 385301, 425859, 1155903, 2697107, 8091321]

約数ペア:

[(1, 8091321), (3, 2697107), (7, 1155903), (19, 425859), (21, 385301), (49, 165129), (57, 141953), (133, 60837), (147, 55043), (399, 20279), (931, 8691), (2793, 2897)]