40721307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2503}}^1$

素因数の和:2563

約数の個数: 32

約数和(自身を含む): 64903680

約数和(自身を除く): 24182373

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1479, 2503, 5423, 7509, 16269, 27533, 42551, 72587, 82599, 127653, 217761, 468061, 798457, 1233979, 1404183, 2395371, 3701937, 13573769, 40721307]

約数ペア:

[(1, 40721307), (3, 13573769), (11, 3701937), (17, 2395371), (29, 1404183), (33, 1233979), (51, 798457), (87, 468061), (187, 217761), (319, 127653), (493, 82599), (561, 72587), (957, 42551), (1479, 27533), (2503, 16269), (5423, 7509)]