728909391

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{2683}}^1$

素因数の和:3471

約数の個数: 32

約数和(自身を含む): 1178039808

約数和(自身を除く): 449130417

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 761, 2283, 2683, 5327, 8049, 12937, 15981, 18781, 38811, 45611, 56343, 90559, 136833, 271677, 319277, 957831, 2041763, 6125289, 14292341, 34709971, 42877023, 104129913, 242969797, 728909391]

約数ペア:

[(1, 728909391), (3, 242969797), (7, 104129913), (17, 42877023), (21, 34709971), (51, 14292341), (119, 6125289), (357, 2041763), (761, 957831), (2283, 319277), (2683, 271677), (5327, 136833), (8049, 90559), (12937, 56343), (15981, 45611), (18781, 38811)]