680001399

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3517}}^1$

素因数の和:3578

約数の個数: 80

約数和(自身を含む): 1307682816

約数和(自身を除く): 627681417

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 81, 93, 99, 189, 217, 231, 279, 297, 341, 567, 651, 693, 837, 891, 1023, 1953, 2079, 2387, 2511, 3069, 3517, 5859, 6237, 7161, 9207, 10551, 17577, 21483, 24619, 27621, 31653, 38687, 64449, 73857, 94959, 109027, 116061, 193347, 221571, 270809, 284877, 327081, 348183, 664713, 763189, 812427, 981243, 1044549, 1199297, 1994139, 2289567, 2437281, 2943729, 3133647, 3597891, 6868701, 7311843, 8395079, 8831187, 10793673, 20606103, 21935529, 25185237, 32381019, 61818309, 75555711, 97143057, 226667133, 680001399]

約数ペア:

[(1, 680001399), (3, 226667133), (7, 97143057), (9, 75555711), (11, 61818309), (21, 32381019), (27, 25185237), (31, 21935529), (33, 20606103), (63, 10793673), (77, 8831187), (81, 8395079), (93, 7311843), (99, 6868701), (189, 3597891), (217, 3133647), (231, 2943729), (279, 2437281), (297, 2289567), (341, 1994139), (567, 1199297), (651, 1044549), (693, 981243), (837, 812427), (891, 763189), (1023, 664713), (1953, 348183), (2079, 327081), (2387, 284877), (2511, 270809), (3069, 221571), (3517, 193347), (5859, 116061), (6237, 109027), (7161, 94959), (9207, 73857), (10551, 64449), (17577, 38687), (21483, 31653), (24619, 27621)]