28919079

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2956

約数の個数: 32

約数和(自身を含む): 49904640

約数和(自身を除く): 20985561

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2887, 3339, 8661, 10017, 20209, 25983, 60627, 77949, 153011, 181881, 459033, 545643, 1071077, 1377099, 3213231, 4131297, 9639693, 28919079]

約数ペア:

[(1, 28919079), (3, 9639693), (7, 4131297), (9, 3213231), (21, 1377099), (27, 1071077), (53, 545643), (63, 459033), (159, 181881), (189, 153011), (371, 77949), (477, 60627), (1113, 25983), (1431, 20209), (2887, 10017), (3339, 8661)]