13308939

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 36

約数和(自身を含む): 22656816

約数和(自身を除く): 9347877

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 293, 309, 441, 721, 879, 927, 2051, 2163, 2637, 5047, 6153, 6489, 14357, 15141, 18459, 30179, 43071, 45423, 90537, 129213, 211253, 271611, 633759, 1478771, 1901277, 4436313, 13308939]

約数ペア:

[(1, 13308939), (3, 4436313), (7, 1901277), (9, 1478771), (21, 633759), (49, 271611), (63, 211253), (103, 129213), (147, 90537), (293, 45423), (309, 43071), (441, 30179), (721, 18459), (879, 15141), (927, 14357), (2051, 6489), (2163, 6153), (2637, 5047)]