12520737

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 18800496

約数和(自身を除く): 6279759

約数列:

[1, 3, 9, 27, 81, 331, 467, 993, 1401, 2979, 4203, 8937, 12609, 26811, 37827, 154577, 463731, 1391193, 4173579, 12520737]

約数ペア:

[(1, 12520737), (3, 4173579), (9, 1391193), (27, 463731), (81, 154577), (331, 37827), (467, 26811), (993, 12609), (1401, 8937), (2979, 4203)]