31958073

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 23393223

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 129, 141, 251, 301, 329, 387, 423, 753, 903, 987, 1757, 2021, 2259, 2709, 2961, 5271, 6063, 10793, 11797, 14147, 15813, 18189, 32379, 35391, 42441, 75551, 82579, 97137, 106173, 127323, 226653, 247737, 507271, 679959, 743211, 1521813, 3550897, 4565439, 10652691, 31958073]

約数ペア:

[(1, 31958073), (3, 10652691), (7, 4565439), (9, 3550897), (21, 1521813), (43, 743211), (47, 679959), (63, 507271), (129, 247737), (141, 226653), (251, 127323), (301, 106173), (329, 97137), (387, 82579), (423, 75551), (753, 42441), (903, 35391), (987, 32379), (1757, 18189), (2021, 15813), (2259, 14147), (2709, 11797), (2961, 10793), (5271, 6063)]