208618479

素因数分解:

$3^2\times {\mathrm{109}}^2\times {\mathrm{1951}}^1$

素因数の和:2175

約数の個数: 18

約数和(自身を含む): 304283616

約数和(自身を除く): 95665137

約数列:

[1, 3, 9, 109, 327, 981, 1951, 5853, 11881, 17559, 35643, 106929, 212659, 637977, 1913931, 23179831, 69539493, 208618479]

約数ペア:

[(1, 208618479), (3, 69539493), (9, 23179831), (109, 1913931), (327, 637977), (981, 212659), (1951, 106929), (5853, 35643), (11881, 17559)]