1787373

素因数分解:

$3^3\times 7^3\times {\mathrm{193}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 3104000

約数和(自身を除く): 1316627

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 193, 343, 441, 579, 1029, 1323, 1351, 1737, 3087, 4053, 5211, 9261, 9457, 12159, 28371, 36477, 66199, 85113, 198597, 255339, 595791, 1787373]

約数ペア:

[(1, 1787373), (3, 595791), (7, 255339), (9, 198597), (21, 85113), (27, 66199), (49, 36477), (63, 28371), (147, 12159), (189, 9457), (193, 9261), (343, 5211), (441, 4053), (579, 3087), (1029, 1737), (1323, 1351)]