28104321

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 46153728

約数和(自身を除く): 18049407

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1877, 2139, 4991, 5631, 13139, 14973, 39417, 43171, 58187, 129513, 174561, 302197, 407309, 906591, 1221927, 1338301, 4014903, 9368107, 28104321]

約数ペア:

[(1, 28104321), (3, 9368107), (7, 4014903), (21, 1338301), (23, 1221927), (31, 906591), (69, 407309), (93, 302197), (161, 174561), (217, 129513), (483, 58187), (651, 43171), (713, 39417), (1877, 14973), (2139, 13139), (4991, 5631)]