128505105

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21799}}^1$

素因数の和:21941

約数の個数: 24

約数和(自身を含む): 224452800

約数和(自身を除く): 95947695

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 21799, 65397, 108995, 196191, 326985, 980955, 2855669, 8567007, 14278345, 25701021, 42835035, 128505105]

約数ペア:

[(1, 128505105), (3, 42835035), (5, 25701021), (9, 14278345), (15, 8567007), (45, 2855669), (131, 980955), (393, 326985), (655, 196191), (1179, 108995), (1965, 65397), (5895, 21799)]