247029393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{857}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 374774400

約数和(自身を除く): 127745007

約数列:

[1, 3, 13, 19, 39, 57, 247, 389, 741, 857, 1167, 2571, 5057, 7391, 11141, 15171, 16283, 22173, 33423, 48849, 96083, 211679, 288249, 333373, 635037, 1000119, 4333849, 6334087, 13001547, 19002261, 82343131, 247029393]

約数ペア:

[(1, 247029393), (3, 82343131), (13, 19002261), (19, 13001547), (39, 6334087), (57, 4333849), (247, 1000119), (389, 635037), (741, 333373), (857, 288249), (1167, 211679), (2571, 96083), (5057, 48849), (7391, 33423), (11141, 22173), (15171, 16283)]