28356315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145417}}^1$

素因数の和:145438

約数の個数: 16

約数和(自身を含む): 48860448

約数和(自身を除く): 20504133

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 145417, 436251, 727085, 1890421, 2181255, 5671263, 9452105, 28356315]

約数ペア:

[(1, 28356315), (3, 9452105), (5, 5671263), (13, 2181255), (15, 1890421), (39, 727085), (65, 436251), (195, 145417)]