81819987

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{5303}}^1$

素因数の和:5482

約数の個数: 16

約数和(自身を含む): 112869120

約数和(自身を除く): 31049133

約数列:

[1, 3, 37, 111, 139, 417, 5143, 5303, 15429, 15909, 196211, 588633, 737117, 2211351, 27273329, 81819987]

約数ペア:

[(1, 81819987), (3, 27273329), (37, 2211351), (111, 737117), (139, 588633), (417, 196211), (5143, 15909), (5303, 15429)]