128520903

素因数分解:

$3^1\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{5479}}^1$

素因数の和:6606

約数の個数: 16

約数和(自身を含む): 196052480

約数和(自身を除く): 67531577

約数列:

[1, 3, 7, 21, 1117, 3351, 5479, 7819, 16437, 23457, 38353, 115059, 6120043, 18360129, 42840301, 128520903]

約数ペア:

[(1, 128520903), (3, 42840301), (7, 18360129), (21, 6120043), (1117, 115059), (3351, 38353), (5479, 23457), (7819, 16437)]