18888931647

素因数分解:

$3^6\times {\mathrm{5749}}^1\times {\mathrm{4507}}^1$

素因数の和:10274

約数の個数: 28

約数和(自身を含む): 28331653000

約数和(自身を除く): 9442721353

約数列:

[1, 3, 9, 27, 81, 243, 729, 4507, 5749, 13521, 17247, 40563, 51741, 121689, 155223, 365067, 465669, 1095201, 1397007, 3285603, 4191021, 25910743, 77732229, 233196687, 699590061, 2098770183, 6296310549, 18888931647]

約数ペア:

[(1, 18888931647), (3, 6296310549), (9, 2098770183), (27, 699590061), (81, 233196687), (243, 77732229), (729, 25910743), (4507, 4191021), (5749, 3285603), (13521, 1397007), (17247, 1095201), (40563, 465669), (51741, 365067), (121689, 155223)]