157067125257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393651943}}^1$

素因数の和:393651972

約数の個数: 16

約数和(自身を含む): 251937244160

約数和(自身を除く): 94870118903

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393651943, 1180955829, 2755563601, 7479386917, 8266690803, 22438160751, 52355708419, 157067125257]

約数ペア:

[(1, 157067125257), (3, 52355708419), (7, 22438160751), (19, 8266690803), (21, 7479386917), (57, 2755563601), (133, 1180955829), (399, 393651943)]