67885209

素因数分解:

$3^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 56

約数和(自身を含む): 118988352

約数和(自身を除く): 51103143

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 243, 251, 371, 477, 567, 729, 753, 1113, 1431, 1701, 1757, 2259, 3339, 4293, 5103, 5271, 6777, 10017, 12879, 13303, 15813, 20331, 30051, 38637, 39909, 47439, 60993, 90153, 93121, 119727, 142317, 182979, 270459, 279363, 359181, 426951, 838089, 1077543, 1280853, 2514267, 3232629, 7542801, 9697887, 22628403, 67885209]

約数ペア:

[(1, 67885209), (3, 22628403), (7, 9697887), (9, 7542801), (21, 3232629), (27, 2514267), (53, 1280853), (63, 1077543), (81, 838089), (159, 426951), (189, 359181), (243, 279363), (251, 270459), (371, 182979), (477, 142317), (567, 119727), (729, 93121), (753, 90153), (1113, 60993), (1431, 47439), (1701, 39909), (1757, 38637), (2259, 30051), (3339, 20331), (4293, 15813), (5103, 13303), (5271, 12879), (6777, 10017)]