28490049

素因数分解:

$3^7\times 7^1\times {\mathrm{1861}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 48858880

約数和(自身を除く): 20368831

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1861, 2187, 5103, 5583, 13027, 15309, 16749, 39081, 50247, 117243, 150741, 351729, 452223, 1055187, 1356669, 3165561, 4070007, 9496683, 28490049]

約数ペア:

[(1, 28490049), (3, 9496683), (7, 4070007), (9, 3165561), (21, 1356669), (27, 1055187), (63, 452223), (81, 351729), (189, 150741), (243, 117243), (567, 50247), (729, 39081), (1701, 16749), (1861, 15309), (2187, 13027), (5103, 5583)]