871689

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 1490944

約数和(自身を除く): 619255

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 103, 217, 273, 309, 403, 651, 721, 1209, 1339, 2163, 2821, 3193, 4017, 8463, 9373, 9579, 22351, 28119, 41509, 67053, 124527, 290563, 871689]

約数ペア:

[(1, 871689), (3, 290563), (7, 124527), (13, 67053), (21, 41509), (31, 28119), (39, 22351), (91, 9579), (93, 9373), (103, 8463), (217, 4017), (273, 3193), (309, 2821), (403, 2163), (651, 1339), (721, 1209)]