81081

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:43

約数の個数: 40

約数和(自身を含む): 162624

約数和(自身を除く): 81543

約数列:

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

約数ペア:

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