127760865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1783}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 217334016

約数和(自身を除く): 89573151

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 281, 843, 1405, 1783, 4215, 4777, 5349, 8915, 14331, 23885, 26745, 30311, 71655, 90933, 151555, 454665, 501023, 1503069, 2505115, 7515345, 8517391, 25552173, 42586955, 127760865]

約数ペア:

[(1, 127760865), (3, 42586955), (5, 25552173), (15, 8517391), (17, 7515345), (51, 2505115), (85, 1503069), (255, 501023), (281, 454665), (843, 151555), (1405, 90933), (1783, 71655), (4215, 30311), (4777, 26745), (5349, 23885), (8915, 14331)]