218928513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{40163}}^1$

素因数の和:40268

約数の個数: 16

約数和(自身を含む): 308459520

約数和(自身を除く): 89531007

約数列:

[1, 3, 23, 69, 79, 237, 1817, 5451, 40163, 120489, 923749, 2771247, 3172877, 9518631, 72976171, 218928513]

約数ペア:

[(1, 218928513), (3, 72976171), (23, 9518631), (69, 3172877), (79, 2771247), (237, 923749), (1817, 120489), (5451, 40163)]