28881867

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37171}}^1$

素因数の和:37218

約数の個数: 16

約数和(自身を含む): 45201152

約数和(自身を除く): 16319285

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 37171, 111513, 260197, 780591, 1375327, 4125981, 9627289, 28881867]

約数ペア:

[(1, 28881867), (3, 9627289), (7, 4125981), (21, 1375327), (37, 780591), (111, 260197), (259, 111513), (777, 37171)]