18100557

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 27941760

約数和(自身を除く): 9841203

約数列:

[1, 3, 9, 27, 41, 83, 123, 197, 249, 369, 591, 747, 1107, 1773, 2241, 3403, 5319, 8077, 10209, 16351, 24231, 30627, 49053, 72693, 91881, 147159, 218079, 441477, 670391, 2011173, 6033519, 18100557]

約数ペア:

[(1, 18100557), (3, 6033519), (9, 2011173), (27, 670391), (41, 441477), (83, 218079), (123, 147159), (197, 91881), (249, 72693), (369, 49053), (591, 30627), (747, 24231), (1107, 16351), (1773, 10209), (2241, 8077), (3403, 5319)]