201531393

素因数分解:

$3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{3631}}^1$

素因数の和:4525

約数の個数: 24

約数和(自身を含む): 333156096

約数和(自身を除く): 131624703

約数列:

[1, 3, 7, 9, 21, 63, 881, 2643, 3631, 6167, 7929, 10893, 18501, 25417, 32679, 55503, 76251, 228753, 3198911, 9596733, 22392377, 28790199, 67177131, 201531393]

約数ペア:

[(1, 201531393), (3, 67177131), (7, 28790199), (9, 22392377), (21, 9596733), (63, 3198911), (881, 228753), (2643, 76251), (3631, 55503), (6167, 32679), (7929, 25417), (10893, 18501)]