1896741

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 3841344

約数和(自身を除く): 1944603

約数列:

[1, 3, 7, 9, 11, 17, 21, 23, 33, 49, 51, 63, 69, 77, 99, 119, 147, 153, 161, 187, 207, 231, 253, 357, 391, 441, 483, 539, 561, 693, 759, 833, 1071, 1127, 1173, 1309, 1449, 1617, 1683, 1771, 2277, 2499, 2737, 3381, 3519, 3927, 4301, 4851, 5313, 7497, 8211, 9163, 10143, 11781, 12397, 12903, 15939, 19159, 24633, 27489, 30107, 37191, 38709, 57477, 82467, 90321, 111573, 172431, 210749, 270963, 632247, 1896741]

約数ペア:

[(1, 1896741), (3, 632247), (7, 270963), (9, 210749), (11, 172431), (17, 111573), (21, 90321), (23, 82467), (33, 57477), (49, 38709), (51, 37191), (63, 30107), (69, 27489), (77, 24633), (99, 19159), (119, 15939), (147, 12903), (153, 12397), (161, 11781), (187, 10143), (207, 9163), (231, 8211), (253, 7497), (357, 5313), (391, 4851), (441, 4301), (483, 3927), (539, 3519), (561, 3381), (693, 2737), (759, 2499), (833, 2277), (1071, 1771), (1127, 1683), (1173, 1617), (1309, 1449)]