26780187

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1327}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 42198528

約数和(自身を除く): 15418341

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 1327, 2883, 3981, 6727, 9289, 20181, 27867, 41137, 123411, 287959, 863877, 1275247, 3825741, 8926729, 26780187]

約数ペア:

[(1, 26780187), (3, 8926729), (7, 3825741), (21, 1275247), (31, 863877), (93, 287959), (217, 123411), (651, 41137), (961, 27867), (1327, 20181), (2883, 9289), (3981, 6727)]