81474315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2767}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 141367296

約数和(自身を除く): 59892981

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 755, 1963, 2265, 2767, 5889, 8301, 9815, 13835, 29445, 35971, 41505, 107913, 179855, 417817, 539565, 1253451, 2089085, 5431621, 6267255, 16294863, 27158105, 81474315]

約数ペア:

[(1, 81474315), (3, 27158105), (5, 16294863), (13, 6267255), (15, 5431621), (39, 2089085), (65, 1253451), (151, 539565), (195, 417817), (453, 179855), (755, 107913), (1963, 41505), (2265, 35971), (2767, 29445), (5889, 13835), (8301, 9815)]