28636569

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{787}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 44745792

約数和(自身を除く): 16109223

約数列:

[1, 3, 9, 13, 39, 117, 311, 787, 933, 2361, 2799, 4043, 7083, 10231, 12129, 30693, 36387, 92079, 244757, 734271, 2202813, 3181841, 9545523, 28636569]

約数ペア:

[(1, 28636569), (3, 9545523), (9, 3181841), (13, 2202813), (39, 734271), (117, 244757), (311, 92079), (787, 36387), (933, 30693), (2361, 12129), (2799, 10231), (4043, 7083)]