28172961

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61379}}^1$

素因数の和:61405

約数の個数: 16

約数和(自身を含む): 44193600

約数和(自身を除く): 16020639

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 61379, 184137, 552411, 1043443, 1657233, 3130329, 9390987, 28172961]

約数ペア:

[(1, 28172961), (3, 9390987), (9, 3130329), (17, 1657233), (27, 1043443), (51, 552411), (153, 184137), (459, 61379)]