428215005

素因数分解:

$3^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5011}}^1$

素因数の和:5239

約数の個数: 40

約数和(自身を含む): 771406944

約数和(自身を除く): 343191939

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 405, 633, 1055, 1899, 3165, 5011, 5697, 9495, 15033, 17091, 25055, 28485, 45099, 75165, 85455, 135297, 225495, 405891, 676485, 1057321, 2029455, 3171963, 5286605, 9515889, 15859815, 28547667, 47579445, 85643001, 142738335, 428215005]

約数ペア:

[(1, 428215005), (3, 142738335), (5, 85643001), (9, 47579445), (15, 28547667), (27, 15859815), (45, 9515889), (81, 5286605), (135, 3171963), (211, 2029455), (405, 1057321), (633, 676485), (1055, 405891), (1899, 225495), (3165, 135297), (5011, 85455), (5697, 75165), (9495, 45099), (15033, 28485), (17091, 25055)]