287510091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2837}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 434827008

約数和(自身を除く): 147316917

約数列:

[1, 3, 11, 33, 37, 83, 111, 249, 407, 913, 1221, 2739, 2837, 3071, 8511, 9213, 31207, 33781, 93621, 101343, 104969, 235471, 314907, 706413, 1154659, 2590181, 3463977, 7770543, 8712427, 26137281, 95836697, 287510091]

約数ペア:

[(1, 287510091), (3, 95836697), (11, 26137281), (33, 8712427), (37, 7770543), (83, 3463977), (111, 2590181), (249, 1154659), (407, 706413), (913, 314907), (1221, 235471), (2739, 104969), (2837, 101343), (3071, 93621), (8511, 33781), (9213, 31207)]