260547

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 418560

約数和(自身を除く): 158013

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 653, 1959, 4571, 12407, 13713, 37221, 86849, 260547]

約数ペア:

[(1, 260547), (3, 86849), (7, 37221), (19, 13713), (21, 12407), (57, 4571), (133, 1959), (399, 653)]