2543247

素因数分解:

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

素因数の和:172

約数の個数: 36

約数和(自身を含む): 4386720

約数和(自身を除く): 1843473

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 79, 147, 219, 237, 441, 511, 553, 657, 711, 1533, 1659, 3577, 3871, 4599, 4977, 5767, 10731, 11613, 17301, 32193, 34839, 40369, 51903, 121107, 282583, 363321, 847749, 2543247]

約数ペア:

[(1, 2543247), (3, 847749), (7, 363321), (9, 282583), (21, 121107), (49, 51903), (63, 40369), (73, 34839), (79, 32193), (147, 17301), (219, 11613), (237, 10731), (441, 5767), (511, 4977), (553, 4599), (657, 3871), (711, 3577), (1533, 1659)]