28438372221

素因数分解:

$3^1\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{868639}}^1$

素因数の和:870208

約数の個数: 16

約数和(自身を含む): 43362508800

約数和(自身を除く): 14924136579

約数列:

[1, 3, 7, 21, 1559, 4677, 10913, 32739, 868639, 2605917, 6080473, 18241419, 1354208201, 4062624603, 9479457407, 28438372221]

約数ペア:

[(1, 28438372221), (3, 9479457407), (7, 4062624603), (21, 1354208201), (1559, 18241419), (4677, 6080473), (10913, 2605917), (32739, 868639)]