15707900397

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{280253}}^1$

素因数の和:280437

約数の個数: 32

約数和(自身を含む): 25505356032

約数和(自身を除く): 9797455635

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 1099, 2669, 3297, 8007, 18683, 56049, 280253, 840759, 1961771, 4764301, 5885313, 14292903, 33350107, 43999721, 100050321, 131999163, 307998047, 747995257, 923994141, 2243985771, 5235966799, 15707900397]

約数ペア:

[(1, 15707900397), (3, 5235966799), (7, 2243985771), (17, 923994141), (21, 747995257), (51, 307998047), (119, 131999163), (157, 100050321), (357, 43999721), (471, 33350107), (1099, 14292903), (2669, 5885313), (3297, 4764301), (8007, 1961771), (18683, 840759), (56049, 280253)]