251799423

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 358110720

約数和(自身を除く): 106311297

約数列:

[1, 3, 23, 69, 89, 131, 267, 313, 393, 939, 2047, 3013, 6141, 7199, 9039, 11659, 21597, 27857, 34977, 41003, 83571, 123009, 268157, 640711, 804471, 943069, 1922133, 2829207, 3649267, 10947801, 83933141, 251799423]

約数ペア:

[(1, 251799423), (3, 83933141), (23, 10947801), (69, 3649267), (89, 2829207), (131, 1922133), (267, 943069), (313, 804471), (393, 640711), (939, 268157), (2047, 123009), (3013, 83571), (6141, 41003), (7199, 34977), (9039, 27857), (11659, 21597)]