156819939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19793}}^1$

素因数の和:19954

約数の個数: 16

約数和(自身を含む): 221692800

約数和(自身を除く): 64872861

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 19793, 59379, 376067, 1128201, 2751227, 8253681, 52273313, 156819939]

約数ペア:

[(1, 156819939), (3, 52273313), (19, 8253681), (57, 2751227), (139, 1128201), (417, 376067), (2641, 59379), (7923, 19793)]