1800981

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 3288320

約数和(自身を除く): 1487339

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 733, 819, 2199, 2457, 5131, 6597, 9529, 15393, 19791, 28587, 46179, 66703, 85761, 138537, 200109, 257283, 600327, 1800981]

約数ペア:

[(1, 1800981), (3, 600327), (7, 257283), (9, 200109), (13, 138537), (21, 85761), (27, 66703), (39, 46179), (63, 28587), (91, 19791), (117, 15393), (189, 9529), (273, 6597), (351, 5131), (733, 2457), (819, 2199)]