2028159

素因数分解:

$3^4\times 7^3\times {\mathrm{73}}^1$

素因数の和:106

約数の個数: 40

約数和(自身を含む): 3581600

約数和(自身を除く): 1553441

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 81, 147, 189, 219, 343, 441, 511, 567, 657, 1029, 1323, 1533, 1971, 3087, 3577, 3969, 4599, 5913, 9261, 10731, 13797, 25039, 27783, 32193, 41391, 75117, 96579, 225351, 289737, 676053, 2028159]

約数ペア:

[(1, 2028159), (3, 676053), (7, 289737), (9, 225351), (21, 96579), (27, 75117), (49, 41391), (63, 32193), (73, 27783), (81, 25039), (147, 13797), (189, 10731), (219, 9261), (343, 5913), (441, 4599), (511, 3969), (567, 3577), (657, 3087), (1029, 1971), (1323, 1533)]