179171919

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 285492480

約数和(自身を除く): 106320561

約数列:

[1, 3, 9, 19, 27, 57, 81, 151, 171, 243, 257, 453, 513, 771, 1359, 1539, 2313, 2869, 4077, 4617, 4883, 6939, 8607, 12231, 14649, 20817, 25821, 36693, 38807, 43947, 62451, 77463, 116421, 131841, 232389, 349263, 395523, 697167, 737333, 1047789, 1186569, 2211999, 3143367, 6635997, 9430101, 19907991, 59723973, 179171919]

約数ペア:

[(1, 179171919), (3, 59723973), (9, 19907991), (19, 9430101), (27, 6635997), (57, 3143367), (81, 2211999), (151, 1186569), (171, 1047789), (243, 737333), (257, 697167), (453, 395523), (513, 349263), (771, 232389), (1359, 131841), (1539, 116421), (2313, 77463), (2869, 62451), (4077, 43947), (4617, 38807), (4883, 36693), (6939, 25821), (8607, 20817), (12231, 14649)]