18277407

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4801}}^1$

素因数の和:4860

約数の個数: 20

約数和(自身を含む): 27890016

約数和(自身を除く): 9612609

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4801, 14403, 43209, 129627, 225647, 388881, 676941, 2030823, 6092469, 18277407]

約数ペア:

[(1, 18277407), (3, 6092469), (9, 2030823), (27, 676941), (47, 388881), (81, 225647), (141, 129627), (423, 43209), (1269, 14403), (3807, 4801)]