17802729

素因数分解:

$3^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 30784000

約数和(自身を除く): 12981271

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 79, 147, 219, 237, 343, 441, 511, 553, 657, 711, 1029, 1533, 1659, 3087, 3577, 3871, 4599, 4977, 5767, 10731, 11613, 17301, 25039, 27097, 32193, 34839, 40369, 51903, 75117, 81291, 121107, 225351, 243873, 282583, 363321, 847749, 1978081, 2543247, 5934243, 17802729]

約数ペア:

[(1, 17802729), (3, 5934243), (7, 2543247), (9, 1978081), (21, 847749), (49, 363321), (63, 282583), (73, 243873), (79, 225351), (147, 121107), (219, 81291), (237, 75117), (343, 51903), (441, 40369), (511, 34839), (553, 32193), (657, 27097), (711, 25039), (1029, 17301), (1533, 11613), (1659, 10731), (3087, 5767), (3577, 4977), (3871, 4599)]