18530127

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2971}}^1$

素因数の和:3001

約数の個数: 40

約数和(自身を含む): 34522752

約数和(自身を除く): 15992625

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 2971, 6237, 8913, 20797, 26739, 32681, 62391, 80217, 98043, 187173, 228767, 240651, 294129, 561519, 686301, 882387, 1684557, 2058903, 2647161, 6176709, 18530127]

約数ペア:

[(1, 18530127), (3, 6176709), (7, 2647161), (9, 2058903), (11, 1684557), (21, 882387), (27, 686301), (33, 561519), (63, 294129), (77, 240651), (81, 228767), (99, 187173), (189, 98043), (231, 80217), (297, 62391), (567, 32681), (693, 26739), (891, 20797), (2079, 8913), (2971, 6237)]