489482895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{128981}}^1$

素因数の和:129023

約数の個数: 32

約数和(自身を含む): 891523584

約数和(自身を除く): 402040689

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 128981, 386943, 644905, 1418791, 1934715, 2966563, 4256373, 7093955, 8899689, 14832815, 21281865, 32632193, 44498445, 97896579, 163160965, 489482895]

約数ペア:

[(1, 489482895), (3, 163160965), (5, 97896579), (11, 44498445), (15, 32632193), (23, 21281865), (33, 14832815), (55, 8899689), (69, 7093955), (115, 4256373), (165, 2966563), (253, 1934715), (345, 1418791), (759, 644905), (1265, 386943), (3795, 128981)]