427702977

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1087}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 731136000

約数和(自身を除く): 303433023

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 59, 117, 171, 177, 247, 351, 513, 531, 741, 767, 1087, 1121, 1593, 2223, 2301, 3261, 3363, 6669, 6903, 9783, 10089, 14131, 14573, 20653, 20709, 29349, 30267, 42393, 43719, 61959, 64133, 127179, 131157, 185877, 192399, 268489, 381537, 393471, 557631, 577197, 805467, 833729, 1218527, 1731591, 2416401, 2501187, 3655581, 7249203, 7503561, 10966743, 15840851, 22510683, 32900229, 47522553, 142567659, 427702977]

約数ペア:

[(1, 427702977), (3, 142567659), (9, 47522553), (13, 32900229), (19, 22510683), (27, 15840851), (39, 10966743), (57, 7503561), (59, 7249203), (117, 3655581), (171, 2501187), (177, 2416401), (247, 1731591), (351, 1218527), (513, 833729), (531, 805467), (741, 577197), (767, 557631), (1087, 393471), (1121, 381537), (1593, 268489), (2223, 192399), (2301, 185877), (3261, 131157), (3363, 127179), (6669, 64133), (6903, 61959), (9783, 43719), (10089, 42393), (14131, 30267), (14573, 29349), (20653, 20709)]