81900537285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{780005117}}^1$

素因数の和:780005132

約数の個数: 16

約数和(自身を含む): 149760982656

約数和(自身を除く): 67860445371

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 780005117, 2340015351, 3900025585, 5460035819, 11700076755, 16380107457, 27300179095, 81900537285]

約数ペア:

[(1, 81900537285), (3, 27300179095), (5, 16380107457), (7, 11700076755), (15, 5460035819), (21, 3900025585), (35, 2340015351), (105, 780005117)]