391927041

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 655200000

約数和(自身を除く): 263272959

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 139, 171, 209, 417, 627, 1251, 1499, 1529, 1881, 2641, 4497, 4587, 7923, 13491, 13761, 16489, 23769, 28481, 29051, 49467, 85443, 87153, 148401, 208361, 256329, 261459, 313291, 625083, 939873, 1875249, 2291971, 2819619, 3958859, 6875913, 11876577, 20627739, 35629731, 43547449, 130642347, 391927041]

約数ペア:

[(1, 391927041), (3, 130642347), (9, 43547449), (11, 35629731), (19, 20627739), (33, 11876577), (57, 6875913), (99, 3958859), (139, 2819619), (171, 2291971), (209, 1875249), (417, 939873), (627, 625083), (1251, 313291), (1499, 261459), (1529, 256329), (1881, 208361), (2641, 148401), (4497, 87153), (4587, 85443), (7923, 49467), (13491, 29051), (13761, 28481), (16489, 23769)]