1281137931

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{435317}}^1$

素因数の和:435435

約数の個数: 16

約数和(自身を含む): 1915399200

約数和(自身を除く): 634261269

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 435317, 1305951, 3917853, 11753559, 47449553, 142348659, 427045977, 1281137931]

約数ペア:

[(1, 1281137931), (3, 427045977), (9, 142348659), (27, 47449553), (109, 11753559), (327, 3917853), (981, 1305951), (2943, 435317)]