81970485

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{34807}}^1$

素因数の和:34972

約数の個数: 16

約数和(自身を含む): 131991936

約数和(自身を除く): 50021451

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 34807, 104421, 174035, 522105, 5464699, 16394097, 27323495, 81970485]

約数ペア:

[(1, 81970485), (3, 27323495), (5, 16394097), (15, 5464699), (157, 522105), (471, 174035), (785, 104421), (2355, 34807)]