217495557

素因数分解:

$3^3\times {\mathrm{1373}}^1\times {\mathrm{5867}}^1$

素因数の和:7249

約数の個数: 16

約数和(自身を含む): 322505280

約数和(自身を除く): 105009723

約数列:

[1, 3, 9, 27, 1373, 4119, 5867, 12357, 17601, 37071, 52803, 158409, 8055391, 24166173, 72498519, 217495557]

約数ペア:

[(1, 217495557), (3, 72498519), (9, 24166173), (27, 8055391), (1373, 158409), (4119, 52803), (5867, 37071), (12357, 17601)]