25997391

素因数分解:

$3^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 44068752

約数和(自身を除く): 18071361

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 167, 353, 441, 501, 1059, 1169, 1503, 2471, 3177, 3507, 7413, 8183, 10521, 17297, 22239, 24549, 51891, 58951, 73647, 155673, 176853, 412657, 530559, 1237971, 2888599, 3713913, 8665797, 25997391]

約数ペア:

[(1, 25997391), (3, 8665797), (7, 3713913), (9, 2888599), (21, 1237971), (49, 530559), (63, 412657), (147, 176853), (167, 155673), (353, 73647), (441, 58951), (501, 51891), (1059, 24549), (1169, 22239), (1503, 17297), (2471, 10521), (3177, 8183), (3507, 7413)]