289980543

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1511}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 423263232

約数和(自身を除く): 133282689

約数列:

[1, 3, 17, 51, 53, 71, 159, 213, 901, 1207, 1511, 2703, 3621, 3763, 4533, 11289, 25687, 63971, 77061, 80083, 107281, 191913, 240249, 321843, 1361411, 1823777, 4084233, 5471331, 5685893, 17057679, 96660181, 289980543]

約数ペア:

[(1, 289980543), (3, 96660181), (17, 17057679), (51, 5685893), (53, 5471331), (71, 4084233), (159, 1823777), (213, 1361411), (901, 321843), (1207, 240249), (1511, 191913), (2703, 107281), (3621, 80083), (3763, 77061), (4533, 63971), (11289, 25687)]