208454979

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{1439}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 281318400

約数和(自身を除く): 72863421

約数列:

[1, 3, 109, 327, 443, 1329, 1439, 4317, 48287, 144861, 156851, 470553, 637477, 1912431, 69484993, 208454979]

約数ペア:

[(1, 208454979), (3, 69484993), (109, 1912431), (327, 637477), (443, 470553), (1329, 156851), (1439, 144861), (4317, 48287)]