208688291217

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1213}}^1\times {\mathrm{10463}}^1$

素因数の和:11724

約数の個数: 80

約数和(自身を含む): 368903715840

約数和(自身を除く): 160215424623

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1213, 1827, 2349, 3639, 5481, 8491, 10463, 10917, 16443, 25473, 31389, 32751, 35177, 73241, 76419, 94167, 98253, 105531, 219723, 229257, 246239, 282501, 303427, 316593, 659169, 687771, 738717, 847503, 910281, 949779, 1977507, 2123989, 2216151, 2730843, 2849337, 5932521, 6371967, 6648453, 8192529, 12691619, 19115901, 19945359, 24577587, 38074857, 57347703, 88841333, 114224571, 172043109, 266523999, 342673713, 368056951, 799571997, 1028021139, 1104170853, 2398715991, 2576398657, 3312512559, 7196147973, 7729195971, 9937537677, 23187587913, 29812613031, 69562763739, 208688291217]

約数ペア:

[(1, 208688291217), (3, 69562763739), (7, 29812613031), (9, 23187587913), (21, 9937537677), (27, 7729195971), (29, 7196147973), (63, 3312512559), (81, 2576398657), (87, 2398715991), (189, 1104170853), (203, 1028021139), (261, 799571997), (567, 368056951), (609, 342673713), (783, 266523999), (1213, 172043109), (1827, 114224571), (2349, 88841333), (3639, 57347703), (5481, 38074857), (8491, 24577587), (10463, 19945359), (10917, 19115901), (16443, 12691619), (25473, 8192529), (31389, 6648453), (32751, 6371967), (35177, 5932521), (73241, 2849337), (76419, 2730843), (94167, 2216151), (98253, 2123989), (105531, 1977507), (219723, 949779), (229257, 910281), (246239, 847503), (282501, 738717), (303427, 687771), (316593, 659169)]