18168381

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 15797187

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 891, 971, 1701, 2079, 2673, 2913, 6237, 6797, 8739, 10681, 18711, 20391, 26217, 32043, 61173, 74767, 78651, 96129, 183519, 224301, 235953, 288387, 550557, 672903, 865161, 1651671, 2018709, 2595483, 6056127, 18168381]

約数ペア:

[(1, 18168381), (3, 6056127), (7, 2595483), (9, 2018709), (11, 1651671), (21, 865161), (27, 672903), (33, 550557), (63, 288387), (77, 235953), (81, 224301), (99, 183519), (189, 96129), (231, 78651), (243, 74767), (297, 61173), (567, 32043), (693, 26217), (891, 20391), (971, 18711), (1701, 10681), (2079, 8739), (2673, 6797), (2913, 6237)]