243243

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:46

約数の個数: 48

約数和(自身を含む): 489216

約数和(自身を除く): 245973

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, 819, 891, 1001, 1053, 1287, 1701, 2079, 2457, 2673, 3003, 3159, 3861, 6237, 7371, 9009, 11583, 18711, 22113, 27027, 34749, 81081, 243243]

約数ペア:

[(1, 243243), (3, 81081), (7, 34749), (9, 27027), (11, 22113), (13, 18711), (21, 11583), (27, 9009), (33, 7371), (39, 6237), (63, 3861), (77, 3159), (81, 3003), (91, 2673), (99, 2457), (117, 2079), (143, 1701), (189, 1287), (231, 1053), (243, 1001), (273, 891), (297, 819), (351, 693), (429, 567)]