81200556

素因数分解:

$2^2\times 3^4\times {\mathrm{250619}}^1$

素因数の和:250635

約数の個数: 30

約数和(自身を含む): 212275140

約数和(自身を除く): 131074584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250619, 501238, 751857, 1002476, 1503714, 2255571, 3007428, 4511142, 6766713, 9022284, 13533426, 20300139, 27066852, 40600278, 81200556]

約数ペア:

[(1, 81200556), (2, 40600278), (3, 27066852), (4, 20300139), (6, 13533426), (9, 9022284), (12, 6766713), (18, 4511142), (27, 3007428), (36, 2255571), (54, 1503714), (81, 1002476), (108, 751857), (162, 501238), (324, 250619)]