1640882691

素因数分解:

$3^4\times 7^1\times {\mathrm{613}}^1\times {\mathrm{4721}}^1$

素因数の和:5353

約数の個数: 40

約数和(自身を含む): 2806530144

約数和(自身を除く): 1165647453

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 613, 1839, 4291, 4721, 5517, 12873, 14163, 16551, 33047, 38619, 42489, 49653, 99141, 115857, 127467, 297423, 347571, 382401, 892269, 2676807, 2893973, 8681919, 20257811, 26045757, 60773433, 78137271, 182320299, 234411813, 546960897, 1640882691]

約数ペア:

[(1, 1640882691), (3, 546960897), (7, 234411813), (9, 182320299), (21, 78137271), (27, 60773433), (63, 26045757), (81, 20257811), (189, 8681919), (567, 2893973), (613, 2676807), (1839, 892269), (4291, 382401), (4721, 347571), (5517, 297423), (12873, 127467), (14163, 115857), (16551, 99141), (33047, 49653), (38619, 42489)]