28476921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 45785088

約数和(自身を除く): 17308167

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 2207, 4301, 6621, 12903, 24277, 37519, 50761, 72831, 112557, 152283, 412709, 558371, 862937, 1238127, 1675113, 2588811, 9492307, 28476921]

約数ペア:

[(1, 28476921), (3, 9492307), (11, 2588811), (17, 1675113), (23, 1238127), (33, 862937), (51, 558371), (69, 412709), (187, 152283), (253, 112557), (391, 72831), (561, 50761), (759, 37519), (1173, 24277), (2207, 12903), (4301, 6621)]