156939069

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393331}}^1$

素因数の和:393360

約数の個数: 16

約数和(自身を含む): 251732480

約数和(自身を除く): 94793411

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393331, 1179993, 2753317, 7473289, 8259951, 22419867, 52313023, 156939069]

約数ペア:

[(1, 156939069), (3, 52313023), (7, 22419867), (19, 8259951), (21, 7473289), (57, 2753317), (133, 1179993), (399, 393331)]