2778219

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:158

約数の個数: 28

約数和(自身を含む): 4319536

約数和(自身を除く): 1541317

約数列:

[1, 3, 9, 27, 37, 81, 103, 111, 243, 309, 333, 729, 927, 999, 2781, 2997, 3811, 8343, 8991, 11433, 25029, 26973, 34299, 75087, 102897, 308691, 926073, 2778219]

約数ペア:

[(1, 2778219), (3, 926073), (9, 308691), (27, 102897), (37, 75087), (81, 34299), (103, 26973), (111, 25029), (243, 11433), (309, 8991), (333, 8343), (729, 3811), (927, 2997), (999, 2781)]