208021947

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{57259}}^1$

素因数の和:57442

約数の個数: 16

約数和(自身を含む): 318823680

約数和(自身を除く): 110801733

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 57259, 171777, 400813, 1202439, 9905807, 29717421, 69340649, 208021947]

約数ペア:

[(1, 208021947), (3, 69340649), (7, 29717421), (21, 9905807), (173, 1202439), (519, 400813), (1211, 171777), (3633, 57259)]