987568239

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{4957}}^1$

素因数の和:5199

約数の個数: 32

約数和(自身を含む): 1542136320

約数和(自身を除く): 554568081

約数列:

[1, 3, 7, 21, 53, 159, 179, 371, 537, 1113, 1253, 3759, 4957, 9487, 14871, 28461, 34699, 66409, 104097, 199227, 262721, 788163, 887303, 1839047, 2661909, 5517141, 6211121, 18633363, 47027059, 141081177, 329189413, 987568239]

約数ペア:

[(1, 987568239), (3, 329189413), (7, 141081177), (21, 47027059), (53, 18633363), (159, 6211121), (179, 5517141), (371, 2661909), (537, 1839047), (1113, 887303), (1253, 788163), (3759, 262721), (4957, 199227), (9487, 104097), (14871, 66409), (28461, 34699)]