393783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 591360

約数和(自身を除く): 197577

約数列:

[1, 3, 13, 23, 39, 69, 299, 439, 897, 1317, 5707, 10097, 17121, 30291, 131261, 393783]

約数ペア:

[(1, 393783), (3, 131261), (13, 30291), (23, 17121), (39, 10097), (69, 5707), (299, 1317), (439, 897)]