31057521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 21197199

約数列:

[1, 3, 11, 17, 23, 29, 33, 51, 69, 83, 87, 187, 249, 253, 319, 391, 493, 561, 667, 759, 913, 957, 1173, 1411, 1479, 1909, 2001, 2407, 2739, 4233, 4301, 5423, 5727, 7221, 7337, 11339, 12903, 15521, 16269, 20999, 22011, 26477, 32453, 34017, 40919, 46563, 55361, 62997, 79431, 97359, 122757, 124729, 166083, 356983, 374187, 450109, 608971, 941137, 1070949, 1350327, 1826913, 2823411, 10352507, 31057521]

約数ペア:

[(1, 31057521), (3, 10352507), (11, 2823411), (17, 1826913), (23, 1350327), (29, 1070949), (33, 941137), (51, 608971), (69, 450109), (83, 374187), (87, 356983), (187, 166083), (249, 124729), (253, 122757), (319, 97359), (391, 79431), (493, 62997), (561, 55361), (667, 46563), (759, 40919), (913, 34017), (957, 32453), (1173, 26477), (1411, 22011), (1479, 20999), (1909, 16269), (2001, 15521), (2407, 12903), (2739, 11339), (4233, 7337), (4301, 7221), (5423, 5727)]