18082827

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 31629312

約数和(自身を除く): 13546485

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 141, 197, 217, 279, 329, 423, 591, 651, 987, 1379, 1457, 1773, 1953, 2961, 4137, 4371, 6107, 9259, 10199, 12411, 13113, 18321, 27777, 30597, 42749, 54963, 64813, 83331, 91791, 128247, 194439, 287029, 384741, 583317, 861087, 2009203, 2583261, 6027609, 18082827]

約数ペア:

[(1, 18082827), (3, 6027609), (7, 2583261), (9, 2009203), (21, 861087), (31, 583317), (47, 384741), (63, 287029), (93, 194439), (141, 128247), (197, 91791), (217, 83331), (279, 64813), (329, 54963), (423, 42749), (591, 30597), (651, 27777), (987, 18321), (1379, 13113), (1457, 12411), (1773, 10199), (1953, 9259), (2961, 6107), (4137, 4371)]