140909139

素因数分解:

$3^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:599

約数の個数: 56

約数和(自身を含む): 246475872

約数和(自身を除く): 105566733

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 243, 371, 477, 521, 567, 729, 1113, 1431, 1563, 1701, 3339, 3647, 4293, 4689, 5103, 10017, 10941, 12879, 14067, 27613, 30051, 32823, 38637, 42201, 82839, 90153, 98469, 126603, 193291, 248517, 270459, 295407, 379809, 579873, 745551, 886221, 1739619, 2236653, 2658663, 5218857, 6709959, 15656571, 20129877, 46969713, 140909139]

約数ペア:

[(1, 140909139), (3, 46969713), (7, 20129877), (9, 15656571), (21, 6709959), (27, 5218857), (53, 2658663), (63, 2236653), (81, 1739619), (159, 886221), (189, 745551), (243, 579873), (371, 379809), (477, 295407), (521, 270459), (567, 248517), (729, 193291), (1113, 126603), (1431, 98469), (1563, 90153), (1701, 82839), (3339, 42201), (3647, 38637), (4293, 32823), (4689, 30051), (5103, 27613), (10017, 14067), (10941, 12879)]