28198935

素因数分解:

$3^5\times 5^1\times {\mathrm{23209}}^1$

素因数の和:23229

約数の個数: 24

約数和(自身を含む): 50690640

約数和(自身を除く): 22491705

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23209, 69627, 116045, 208881, 348135, 626643, 1044405, 1879929, 3133215, 5639787, 9399645, 28198935]

約数ペア:

[(1, 28198935), (3, 9399645), (5, 5639787), (9, 3133215), (15, 1879929), (27, 1044405), (45, 626643), (81, 348135), (135, 208881), (243, 116045), (405, 69627), (1215, 23209)]