28921437

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:893

約数の個数: 24

約数和(自身を含む): 44436600

約数和(自身を除く): 15515163

約数列:

[1, 3, 9, 17, 51, 153, 421, 449, 1263, 1347, 3789, 4041, 7157, 7633, 21471, 22899, 64413, 68697, 189029, 567087, 1701261, 3213493, 9640479, 28921437]

約数ペア:

[(1, 28921437), (3, 9640479), (9, 3213493), (17, 1701261), (51, 567087), (153, 189029), (421, 68697), (449, 64413), (1263, 22899), (1347, 21471), (3789, 7633), (4041, 7157)]