187500321

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{397}}^1\times {\mathrm{541}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 274822184

約数和(自身を除く): 87321863

約数列:

[1, 3, 9, 97, 291, 397, 541, 873, 1191, 1623, 3573, 4869, 38509, 52477, 115527, 157431, 214777, 346581, 472293, 644331, 1932993, 20833369, 62500107, 187500321]

約数ペア:

[(1, 187500321), (3, 62500107), (9, 20833369), (97, 1932993), (291, 644331), (397, 472293), (541, 346581), (873, 214777), (1191, 157431), (1623, 115527), (3573, 52477), (4869, 38509)]