788481891

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{138403}}^1$

素因数の和:138623

約数の個数: 16

約数和(自身を含む): 1173665920

約数和(自身を除く): 385184029

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5697, 138403, 415209, 1245627, 3736881, 29203033, 87609099, 262827297, 788481891]

約数ペア:

[(1, 788481891), (3, 262827297), (9, 87609099), (27, 29203033), (211, 3736881), (633, 1245627), (1899, 415209), (5697, 138403)]