1211408025

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{142939}}^1$

素因数の和:143065

約数の個数: 24

約数和(自身を含む): 2020599840

約数和(自身を除く): 809191815

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2825, 8475, 142939, 428817, 714695, 2144085, 3573475, 10720425, 16152107, 48456321, 80760535, 242281605, 403802675, 1211408025]

約数ペア:

[(1, 1211408025), (3, 403802675), (5, 242281605), (15, 80760535), (25, 48456321), (75, 16152107), (113, 10720425), (339, 3573475), (565, 2144085), (1695, 714695), (2825, 428817), (8475, 142939)]