28156725081

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{488603}}^1$

素因数の和:488965

約数の個数: 24

約数和(自身を含む): 42938519520

約数和(自身を除く): 14781794439

約数列:

[1, 3, 9, 19, 57, 171, 337, 1011, 3033, 6403, 19209, 57627, 488603, 1465809, 4397427, 9283457, 27850371, 83551113, 164659211, 493977633, 1481932899, 3128525009, 9385575027, 28156725081]

約数ペア:

[(1, 28156725081), (3, 9385575027), (9, 3128525009), (19, 1481932899), (57, 493977633), (171, 164659211), (337, 83551113), (1011, 27850371), (3033, 9283457), (6403, 4397427), (19209, 1465809), (57627, 488603)]