279445439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5827}}^1$

素因数の和:5895

約数の個数: 32

約数和(自身を含む): 375975936

約数和(自身を除く): 96530497

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 1547, 2821, 3689, 5827, 6851, 40789, 47957, 75751, 99059, 180637, 530257, 693413, 1264459, 1287767, 2348281, 3070829, 9014369, 16437967, 21495803, 39920777, 279445439]

約数ペア:

[(1, 279445439), (7, 39920777), (13, 21495803), (17, 16437967), (31, 9014369), (91, 3070829), (119, 2348281), (217, 1287767), (221, 1264459), (403, 693413), (527, 530257), (1547, 180637), (2821, 99059), (3689, 75751), (5827, 47957), (6851, 40789)]