201023865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638171}}^1$

素因数の和:638189

約数の個数: 24

約数和(自身を含む): 398219328

約数和(自身を除く): 197195463

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638171, 1914513, 3190855, 4467197, 5743539, 9572565, 13401591, 22335985, 28717695, 40204773, 67007955, 201023865]

約数ペア:

[(1, 201023865), (3, 67007955), (5, 40204773), (7, 28717695), (9, 22335985), (15, 13401591), (21, 9572565), (35, 5743539), (45, 4467197), (63, 3190855), (105, 1914513), (315, 638171)]