99990891

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1009}}^1$

素因数の和:1057

約数の個数: 72

約数和(自身を含む): 195584480

約数和(自身を除く): 95593589

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 121, 143, 231, 273, 363, 429, 693, 819, 847, 1001, 1009, 1089, 1287, 1573, 2541, 3003, 3027, 4719, 7063, 7623, 9009, 9081, 11011, 11099, 13117, 14157, 21189, 33033, 33297, 39351, 63567, 77693, 91819, 99099, 99891, 118053, 122089, 144287, 233079, 275457, 366267, 432861, 699237, 826371, 854623, 1010009, 1098801, 1298583, 1587157, 2563869, 3030027, 4761471, 7691607, 9090081, 11110099, 14284413, 33330297, 99990891]

約数ペア:

[(1, 99990891), (3, 33330297), (7, 14284413), (9, 11110099), (11, 9090081), (13, 7691607), (21, 4761471), (33, 3030027), (39, 2563869), (63, 1587157), (77, 1298583), (91, 1098801), (99, 1010009), (117, 854623), (121, 826371), (143, 699237), (231, 432861), (273, 366267), (363, 275457), (429, 233079), (693, 144287), (819, 122089), (847, 118053), (1001, 99891), (1009, 99099), (1089, 91819), (1287, 77693), (1573, 63567), (2541, 39351), (3003, 33297), (3027, 33033), (4719, 21189), (7063, 14157), (7623, 13117), (9009, 11099), (9081, 11011)]