27801319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 8970521

約数列:

[1, 7, 13, 23, 37, 91, 161, 259, 299, 359, 481, 851, 2093, 2513, 3367, 4667, 5957, 8257, 11063, 13283, 32669, 57799, 77441, 92981, 107341, 172679, 305509, 751387, 1208753, 2138563, 3971617, 27801319]

約数ペア:

[(1, 27801319), (7, 3971617), (13, 2138563), (23, 1208753), (37, 751387), (91, 305509), (161, 172679), (259, 107341), (299, 92981), (359, 77441), (481, 57799), (851, 32669), (2093, 13283), (2513, 11063), (3367, 8257), (4667, 5957)]