284947713

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3557}}^1$

素因数の和:3635

約数の個数: 40

約数和(自身を含む): 454627008

約数和(自身を除く): 169679295

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 621, 989, 1161, 1863, 2967, 3483, 3557, 8901, 10671, 26703, 32013, 80109, 81811, 96039, 152951, 245433, 288117, 458853, 736299, 1376559, 2208897, 3517873, 4129677, 6626691, 10553619, 12389031, 31660857, 94982571, 284947713]

約数ペア:

[(1, 284947713), (3, 94982571), (9, 31660857), (23, 12389031), (27, 10553619), (43, 6626691), (69, 4129677), (81, 3517873), (129, 2208897), (207, 1376559), (387, 736299), (621, 458853), (989, 288117), (1161, 245433), (1863, 152951), (2967, 96039), (3483, 81811), (3557, 80109), (8901, 32013), (10671, 26703)]