13509741

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 22144000

約数和(自身を除く): 8634259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 691, 931, 1029, 2073, 2793, 4837, 6517, 13129, 14511, 19551, 33859, 39387, 91903, 101577, 237013, 275709, 643321, 711039, 1929963, 4503247, 13509741]

約数ペア:

[(1, 13509741), (3, 4503247), (7, 1929963), (19, 711039), (21, 643321), (49, 275709), (57, 237013), (133, 101577), (147, 91903), (343, 39387), (399, 33859), (691, 19551), (931, 14511), (1029, 13129), (2073, 6517), (2793, 4837)]