291221123517

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{3533}}^1\times {\mathrm{398207}}^1$

素因数の和:401769

約数の個数: 24

約数和(自身を含む): 439067326464

約数和(自身を除く): 147846202947

約数列:

[1, 3, 9, 23, 69, 207, 3533, 10599, 31797, 81259, 243777, 398207, 731331, 1194621, 3583863, 9158761, 27476283, 82428849, 1406865331, 4220595993, 12661787979, 32357902613, 97073707839, 291221123517]

約数ペア:

[(1, 291221123517), (3, 97073707839), (9, 32357902613), (23, 12661787979), (69, 4220595993), (207, 1406865331), (3533, 82428849), (10599, 27476283), (31797, 9158761), (81259, 3583863), (243777, 1194621), (398207, 731331)]