28786131

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{941}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 47024640

約数和(自身を除く): 18238509

約数列:

[1, 3, 9, 11, 27, 33, 99, 103, 297, 309, 927, 941, 1133, 2781, 2823, 3399, 8469, 10197, 10351, 25407, 30591, 31053, 93159, 96923, 279477, 290769, 872307, 1066153, 2616921, 3198459, 9595377, 28786131]

約数ペア:

[(1, 28786131), (3, 9595377), (9, 3198459), (11, 2616921), (27, 1066153), (33, 872307), (99, 290769), (103, 279477), (297, 96923), (309, 93159), (927, 31053), (941, 30591), (1133, 25407), (2781, 10351), (2823, 10197), (3399, 8469)]