30820515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16981}}^1$

素因数の和:17011

約数の個数: 24

約数和(自身を含む): 54206544

約数和(自身を除く): 23386029

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 16981, 50943, 84905, 186791, 254715, 560373, 933955, 2054701, 2801865, 6164103, 10273505, 30820515]

約数ペア:

[(1, 30820515), (3, 10273505), (5, 6164103), (11, 2801865), (15, 2054701), (33, 933955), (55, 560373), (121, 254715), (165, 186791), (363, 84905), (605, 50943), (1815, 16981)]