2173689

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 3939840

約数和(自身を除く): 1766151

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 53, 63, 93, 147, 159, 189, 217, 279, 371, 441, 477, 651, 837, 1113, 1323, 1431, 1519, 1643, 1953, 2597, 3339, 4557, 4929, 5859, 7791, 10017, 11501, 13671, 14787, 23373, 34503, 41013, 44361, 70119, 80507, 103509, 241521, 310527, 724563, 2173689]

約数ペア:

[(1, 2173689), (3, 724563), (7, 310527), (9, 241521), (21, 103509), (27, 80507), (31, 70119), (49, 44361), (53, 41013), (63, 34503), (93, 23373), (147, 14787), (159, 13671), (189, 11501), (217, 10017), (279, 7791), (371, 5859), (441, 4929), (477, 4557), (651, 3339), (837, 2597), (1113, 1953), (1323, 1643), (1431, 1519)]