243399573

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{42323}}^1$

素因数の和:42406

約数の個数: 20

約数和(自身を含む): 368726688

約数和(自身を除く): 125327115

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 42323, 126969, 380907, 1142721, 3004933, 3428163, 9014799, 27044397, 81133191, 243399573]

約数ペア:

[(1, 243399573), (3, 81133191), (9, 27044397), (27, 9014799), (71, 3428163), (81, 3004933), (213, 1142721), (639, 380907), (1917, 126969), (5751, 42323)]