8240547

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1087}}^1$

素因数の和:1135

約数の個数: 24

約数和(自身を含む): 13264896

約数和(自身を除く): 5024349

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1087, 2527, 3261, 7581, 7609, 20653, 22827, 61959, 144571, 392407, 433713, 1177221, 2746849, 8240547]

約数ペア:

[(1, 8240547), (3, 2746849), (7, 1177221), (19, 433713), (21, 392407), (57, 144571), (133, 61959), (361, 22827), (399, 20653), (1083, 7609), (1087, 7581), (2527, 3261)]