201978987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{506213}}^1$

素因数の和:506242

約数の個数: 16

約数和(自身を含む): 323976960

約数和(自身を除く): 121997973

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 506213, 1518639, 3543491, 9618047, 10630473, 28854141, 67326329, 201978987]

約数ペア:

[(1, 201978987), (3, 67326329), (7, 28854141), (19, 10630473), (21, 9618047), (57, 3543491), (133, 1518639), (399, 506213)]