2189187

素因数分解:

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

素因数の和:52

約数の個数: 64

約数和(自身を含む): 4408320

約数和(自身を除く): 2219133

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 143, 189, 231, 243, 273, 297, 351, 429, 567, 693, 729, 819, 891, 1001, 1053, 1287, 1701, 2079, 2187, 2457, 2673, 3003, 3159, 3861, 5103, 6237, 7371, 8019, 9009, 9477, 11583, 15309, 18711, 22113, 24057, 27027, 28431, 34749, 56133, 66339, 81081, 104247, 168399, 199017, 243243, 312741, 729729, 2189187]

約数ペア:

[(1, 2189187), (3, 729729), (7, 312741), (9, 243243), (11, 199017), (13, 168399), (21, 104247), (27, 81081), (33, 66339), (39, 56133), (63, 34749), (77, 28431), (81, 27027), (91, 24057), (99, 22113), (117, 18711), (143, 15309), (189, 11583), (231, 9477), (243, 9009), (273, 8019), (297, 7371), (351, 6237), (429, 5103), (567, 3861), (693, 3159), (729, 3003), (819, 2673), (891, 2457), (1001, 2187), (1053, 2079), (1287, 1701)]