20216115

素因数分解:

$3^3\times 5^1\times {\mathrm{149749}}^1$

素因数の和:149763

約数の個数: 16

約数和(自身を含む): 35940000

約数和(自身を除く): 15723885

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149749, 449247, 748745, 1347741, 2246235, 4043223, 6738705, 20216115]

約数ペア:

[(1, 20216115), (3, 6738705), (5, 4043223), (9, 2246235), (15, 1347741), (27, 748745), (45, 449247), (135, 149749)]