87904197

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{7187}}^1$

素因数の和:7350

約数の個数: 20

約数和(自身を含む): 132201696

約数和(自身を除く): 44297499

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 7187, 12231, 21561, 64683, 194049, 582147, 1085237, 3255711, 9767133, 29301399, 87904197]

約数ペア:

[(1, 87904197), (3, 29301399), (9, 9767133), (27, 3255711), (81, 1085237), (151, 582147), (453, 194049), (1359, 64683), (4077, 21561), (7187, 12231)]