208014723

素因数分解:

$3^4\times 7^1\times {\mathrm{366869}}^1$

素因数の和:366888

約数の個数: 20

約数和(自身を含む): 355130160

約数和(自身を除く): 147115437

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 366869, 1100607, 2568083, 3301821, 7704249, 9905463, 23112747, 29716389, 69338241, 208014723]

約数ペア:

[(1, 208014723), (3, 69338241), (7, 29716389), (9, 23112747), (21, 9905463), (27, 7704249), (63, 3301821), (81, 2568083), (189, 1100607), (567, 366869)]