13151761

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 17072640

約数和(自身を除く): 3920879

約数列:

[1, 7, 17, 29, 37, 103, 119, 203, 259, 493, 629, 721, 1073, 1751, 2987, 3451, 3811, 4403, 7511, 12257, 18241, 20909, 26677, 50779, 64787, 110519, 127687, 355453, 453509, 773633, 1878823, 13151761]

約数ペア:

[(1, 13151761), (7, 1878823), (17, 773633), (29, 453509), (37, 355453), (103, 127687), (119, 110519), (203, 64787), (259, 50779), (493, 26677), (629, 20909), (721, 18241), (1073, 12257), (1751, 7511), (2987, 4403), (3451, 3811)]