211677921

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 390243840

約数和(自身を除く): 178565919

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 101, 117, 189, 273, 303, 351, 707, 819, 853, 909, 1313, 2121, 2457, 2559, 2727, 3939, 5971, 6363, 7677, 9191, 11089, 11817, 17913, 19089, 23031, 27573, 33267, 35451, 53739, 77623, 82719, 86153, 99801, 161217, 232869, 248157, 258459, 299403, 603071, 698607, 775377, 1119989, 1809213, 2095821, 2326131, 3359967, 5427639, 7839923, 10079901, 16282917, 23519769, 30239703, 70559307, 211677921]

約数ペア:

[(1, 211677921), (3, 70559307), (7, 30239703), (9, 23519769), (13, 16282917), (21, 10079901), (27, 7839923), (39, 5427639), (63, 3359967), (91, 2326131), (101, 2095821), (117, 1809213), (189, 1119989), (273, 775377), (303, 698607), (351, 603071), (707, 299403), (819, 258459), (853, 248157), (909, 232869), (1313, 161217), (2121, 99801), (2457, 86153), (2559, 82719), (2727, 77623), (3939, 53739), (5971, 35451), (6363, 33267), (7677, 27573), (9191, 23031), (11089, 19089), (11817, 17913)]