81221730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{2707391}}^1$

素因数の和:2707401

約数の個数: 16

約数和(自身を含む): 194932224

約数和(自身を除く): 113710494

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 2707391, 5414782, 8122173, 13536955, 16244346, 27073910, 40610865, 81221730]

約数ペア:

[(1, 81221730), (2, 40610865), (3, 27073910), (5, 16244346), (6, 13536955), (10, 8122173), (15, 5414782), (30, 2707391)]