206823405

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{69991}}^1$

素因数の和:70196

約数の個数: 16

約数和(自身を含む): 332601984

約数和(自身を除く): 125778579

約数列:

[1, 3, 5, 15, 197, 591, 985, 2955, 69991, 209973, 349955, 1049865, 13788227, 41364681, 68941135, 206823405]

約数ペア:

[(1, 206823405), (3, 68941135), (5, 41364681), (15, 13788227), (197, 1049865), (591, 349955), (985, 209973), (2955, 69991)]