61989025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15401}}^1$

素因数の和:15441

約数の個数: 24

約数和(自身を含む): 91672704

約数和(自身を除く): 29683679

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 15401, 77005, 107807, 354223, 385025, 539035, 1771115, 2479561, 2695175, 8855575, 12397805, 61989025]

約数ペア:

[(1, 61989025), (5, 12397805), (7, 8855575), (23, 2695175), (25, 2479561), (35, 1771115), (115, 539035), (161, 385025), (175, 354223), (575, 107807), (805, 77005), (4025, 15401)]