17897841

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 30085440

約数和(自身を除く): 12187599

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 739, 897, 1053, 1863, 2217, 2691, 6651, 8073, 9607, 16997, 19953, 24219, 28821, 50991, 59859, 86463, 152973, 220961, 259389, 458919, 662883, 778167, 1376757, 1988649, 5965947, 17897841]

約数ペア:

[(1, 17897841), (3, 5965947), (9, 1988649), (13, 1376757), (23, 778167), (27, 662883), (39, 458919), (69, 259389), (81, 220961), (117, 152973), (207, 86463), (299, 59859), (351, 50991), (621, 28821), (739, 24219), (897, 19953), (1053, 16997), (1863, 9607), (2217, 8073), (2691, 6651)]