128565945

素因数分解:

$3^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{5281}}^1$

素因数の和:5833

約数の個数: 24

約数和(自身を含む): 223301832

約数和(自身を除く): 94735887

約数列:

[1, 3, 5, 9, 15, 45, 541, 1623, 2705, 4869, 5281, 8115, 15843, 24345, 26405, 47529, 79215, 237645, 2857021, 8571063, 14285105, 25713189, 42855315, 128565945]

約数ペア:

[(1, 128565945), (3, 42855315), (5, 25713189), (9, 14285105), (15, 8571063), (45, 2857021), (541, 237645), (1623, 79215), (2705, 47529), (4869, 26405), (5281, 24345), (8115, 15843)]