17875431

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 30464000

約数和(自身を除く): 12588569

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 349, 813, 1047, 1897, 2439, 2443, 3141, 5691, 7317, 7329, 9423, 17073, 21987, 51219, 65961, 94579, 283737, 662053, 851211, 1986159, 2553633, 5958477, 17875431]

約数ペア:

[(1, 17875431), (3, 5958477), (7, 2553633), (9, 1986159), (21, 851211), (27, 662053), (63, 283737), (189, 94579), (271, 65961), (349, 51219), (813, 21987), (1047, 17073), (1897, 9423), (2439, 7329), (2443, 7317), (3141, 5691)]