256103487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{4967}}^1$

素因数の和:5327

約数の個数: 24

約数和(自身を含む): 392929056

約数和(自身を除く): 136825569

約数列:

[1, 3, 9, 17, 51, 153, 337, 1011, 3033, 4967, 5729, 14901, 17187, 44703, 51561, 84439, 253317, 759951, 1673879, 5021637, 15064911, 28455943, 85367829, 256103487]

約数ペア:

[(1, 256103487), (3, 85367829), (9, 28455943), (17, 15064911), (51, 5021637), (153, 1673879), (337, 759951), (1011, 253317), (3033, 84439), (4967, 51561), (5729, 44703), (14901, 17187)]