87493077

素因数分解:

$3^2\times 7^2\times {\mathrm{198397}}^1$

素因数の和:198417

約数の個数: 18

約数和(自身を含む): 147012918

約数和(自身を除く): 59519841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 198397, 595191, 1388779, 1785573, 4166337, 9721453, 12499011, 29164359, 87493077]

約数ペア:

[(1, 87493077), (3, 29164359), (7, 12499011), (9, 9721453), (21, 4166337), (49, 1785573), (63, 1388779), (147, 595191), (441, 198397)]