289330281

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 424438560

約数和(自身を除く): 135108279

約数列:

[1, 3, 9, 83, 249, 409, 747, 947, 1227, 2841, 3681, 8523, 33947, 78601, 101841, 235803, 305523, 387323, 707409, 1161969, 3485907, 32147809, 96443427, 289330281]

約数ペア:

[(1, 289330281), (3, 96443427), (9, 32147809), (83, 3485907), (249, 1161969), (409, 707409), (747, 387323), (947, 305523), (1227, 235803), (2841, 101841), (3681, 78601), (8523, 33947)]