28978695

素因数分解:

$3^3\times 5^1\times {\mathrm{214657}}^1$

素因数の和:214671

約数の個数: 16

約数和(自身を含む): 51517920

約数和(自身を除く): 22539225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 214657, 643971, 1073285, 1931913, 3219855, 5795739, 9659565, 28978695]

約数ペア:

[(1, 28978695), (3, 9659565), (5, 5795739), (9, 3219855), (15, 1931913), (27, 1073285), (45, 643971), (135, 214657)]