1388951145

素因数分解:

$3^4\times 5^1\times {\mathrm{3429509}}^1$

素因数の和:3429526

約数の個数: 20

約数和(自身を含む): 2489824260

約数和(自身を除く): 1100873115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3429509, 10288527, 17147545, 30865581, 51442635, 92596743, 154327905, 277790229, 462983715, 1388951145]

約数ペア:

[(1, 1388951145), (3, 462983715), (5, 277790229), (9, 154327905), (15, 92596743), (27, 51442635), (45, 30865581), (81, 17147545), (135, 10288527), (405, 3429509)]