128518521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 186595200

約数和(自身を除く): 58076679

約数列:

[1, 3, 17, 51, 61, 109, 183, 327, 379, 1037, 1137, 1853, 3111, 5559, 6443, 6649, 19329, 19947, 23119, 41311, 69357, 113033, 123933, 339099, 393023, 702287, 1179069, 2106861, 2519971, 7559913, 42839507, 128518521]

約数ペア:

[(1, 128518521), (3, 42839507), (17, 7559913), (51, 2519971), (61, 2106861), (109, 1179069), (183, 702287), (327, 393023), (379, 339099), (1037, 123933), (1137, 113033), (1853, 69357), (3111, 41311), (5559, 23119), (6443, 19947), (6649, 19329)]