15868161

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 23708256

約数和(自身を除く): 7840095

約数列:

[1, 3, 9, 43, 129, 131, 313, 387, 393, 939, 1179, 2817, 5633, 13459, 16899, 40377, 41003, 50697, 121131, 123009, 369027, 1763129, 5289387, 15868161]

約数ペア:

[(1, 15868161), (3, 5289387), (9, 1763129), (43, 369027), (129, 123009), (131, 121131), (313, 50697), (387, 41003), (393, 40377), (939, 16899), (1179, 13459), (2817, 5633)]