81960405

素因数分解:

$3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{12619}}^1$

素因数の和:13060

約数の個数: 16

約数和(自身を含む): 131449920

約数和(自身を除く): 49489515

約数列:

[1, 3, 5, 15, 433, 1299, 2165, 6495, 12619, 37857, 63095, 189285, 5464027, 16392081, 27320135, 81960405]

約数ペア:

[(1, 81960405), (3, 27320135), (5, 16392081), (15, 5464027), (433, 189285), (1299, 63095), (2165, 37857), (6495, 12619)]