203400645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{13001}}^1$

素因数の和:13165

約数の個数: 32

約数和(自身を含む): 374457600

約数和(自身を除く): 171056955

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 2235, 3129, 5215, 13001, 15645, 39003, 65005, 91007, 195015, 273021, 455035, 1365105, 1937149, 5811447, 9685745, 13560043, 29057235, 40680129, 67800215, 203400645]

約数ペア:

[(1, 203400645), (3, 67800215), (5, 40680129), (7, 29057235), (15, 13560043), (21, 9685745), (35, 5811447), (105, 1937149), (149, 1365105), (447, 455035), (745, 273021), (1043, 195015), (2235, 91007), (3129, 65005), (5215, 39003), (13001, 15645)]