201288465

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639011}}^1$

素因数の和:639029

約数の個数: 24

約数和(自身を含む): 398743488

約数和(自身を除く): 197455023

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639011, 1917033, 3195055, 4473077, 5751099, 9585165, 13419231, 22365385, 28755495, 40257693, 67096155, 201288465]

約数ペア:

[(1, 201288465), (3, 67096155), (5, 40257693), (7, 28755495), (9, 22365385), (15, 13419231), (21, 9585165), (35, 5751099), (45, 4473077), (63, 3195055), (105, 1917033), (315, 639011)]