723265281

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{189983}}^1$

素因数の和:190042

約数の個数: 20

約数和(自身を含む): 1103427072

約数和(自身を除く): 380161791

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 189983, 569949, 1709847, 5129541, 8929201, 15388623, 26787603, 80362809, 241088427, 723265281]

約数ペア:

[(1, 723265281), (3, 241088427), (9, 80362809), (27, 26787603), (47, 15388623), (81, 8929201), (141, 5129541), (423, 1709847), (1269, 569949), (3807, 189983)]