31902087

素因数分解:

$3^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 40

約数和(自身を含む): 51269504

約数和(自身を除く): 19367417

約数列:

[1, 3, 7, 21, 43, 49, 103, 129, 147, 301, 309, 343, 721, 903, 1029, 2107, 2163, 2401, 4429, 5047, 6321, 7203, 13287, 14749, 15141, 31003, 35329, 44247, 93009, 103243, 105987, 217021, 247303, 309729, 651063, 741909, 1519147, 4557441, 10634029, 31902087]

約数ペア:

[(1, 31902087), (3, 10634029), (7, 4557441), (21, 1519147), (43, 741909), (49, 651063), (103, 309729), (129, 247303), (147, 217021), (301, 105987), (309, 103243), (343, 93009), (721, 44247), (903, 35329), (1029, 31003), (2107, 15141), (2163, 14749), (2401, 13287), (4429, 7203), (5047, 6321)]