28130817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 45997056

約数和(自身を除く): 17866239

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2851, 3289, 8553, 9867, 31361, 37063, 65573, 94083, 111189, 196719, 407693, 721303, 852449, 1223079, 2163909, 2557347, 9376939, 28130817]

約数ペア:

[(1, 28130817), (3, 9376939), (11, 2557347), (13, 2163909), (23, 1223079), (33, 852449), (39, 721303), (69, 407693), (143, 196719), (253, 111189), (299, 94083), (429, 65573), (759, 37063), (897, 31361), (2851, 9867), (3289, 8553)]