1873989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 3158400

約数和(自身を除く): 1284411

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 281, 351, 513, 741, 843, 2223, 2529, 3653, 5339, 6669, 7587, 10959, 16017, 32877, 48051, 69407, 98631, 144153, 208221, 624663, 1873989]

約数ペア:

[(1, 1873989), (3, 624663), (9, 208221), (13, 144153), (19, 98631), (27, 69407), (39, 48051), (57, 32877), (117, 16017), (171, 10959), (247, 7587), (281, 6669), (351, 5339), (513, 3653), (741, 2529), (843, 2223)]