203421855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149027}}^1$

素因数の和:149055

約数の個数: 32

約数和(自身を含む): 400587264

約数和(自身を除く): 197165409

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 149027, 447081, 745135, 1043189, 1937351, 2235405, 3129567, 5215945, 5812053, 9686755, 13561457, 15647835, 29060265, 40684371, 67807285, 203421855]

約数ペア:

[(1, 203421855), (3, 67807285), (5, 40684371), (7, 29060265), (13, 15647835), (15, 13561457), (21, 9686755), (35, 5812053), (39, 5215945), (65, 3129567), (91, 2235405), (105, 1937351), (195, 1043189), (273, 745135), (455, 447081), (1365, 149027)]