28547571

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 14917389

約数列:

[1, 3, 13, 29, 39, 43, 87, 129, 377, 559, 587, 1131, 1247, 1677, 1761, 3741, 7631, 16211, 17023, 22893, 25241, 48633, 51069, 75723, 221299, 328133, 663897, 731989, 984399, 2195967, 9515857, 28547571]

約数ペア:

[(1, 28547571), (3, 9515857), (13, 2195967), (29, 984399), (39, 731989), (43, 663897), (87, 328133), (129, 221299), (377, 75723), (559, 51069), (587, 48633), (1131, 25241), (1247, 22893), (1677, 17023), (1761, 16211), (3741, 7631)]