16719183

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 29568000

約数和(自身を除く): 12848817

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 109, 117, 171, 207, 247, 299, 327, 351, 437, 513, 621, 741, 897, 981, 1311, 1417, 2071, 2223, 2507, 2691, 2943, 3933, 4251, 5681, 6213, 6669, 7521, 8073, 11799, 12753, 17043, 18639, 22563, 26923, 32591, 38259, 47633, 51129, 55917, 67689, 80769, 97773, 142899, 153387, 242307, 293319, 428697, 619229, 726921, 879957, 1286091, 1857687, 5573061, 16719183]

約数ペア:

[(1, 16719183), (3, 5573061), (9, 1857687), (13, 1286091), (19, 879957), (23, 726921), (27, 619229), (39, 428697), (57, 293319), (69, 242307), (109, 153387), (117, 142899), (171, 97773), (207, 80769), (247, 67689), (299, 55917), (327, 51129), (351, 47633), (437, 38259), (513, 32591), (621, 26923), (741, 22563), (897, 18639), (981, 17043), (1311, 12753), (1417, 11799), (2071, 8073), (2223, 7521), (2507, 6669), (2691, 6213), (2943, 5681), (3933, 4251)]