51333669

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{3217}}^1$

素因数の和:3426

約数の個数: 20

約数和(自身を含む): 77096844

約数和(自身を除く): 25763175

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 3217, 5319, 9651, 15957, 28953, 86859, 260577, 633749, 1901247, 5703741, 17111223, 51333669]

約数ペア:

[(1, 51333669), (3, 17111223), (9, 5703741), (27, 1901247), (81, 633749), (197, 260577), (591, 86859), (1773, 28953), (3217, 15957), (5319, 9651)]