977860107

素因数分解:

$3^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{6871}}^1$

素因数の和:7141

約数の個数: 40

約数和(自身を含む): 1676328192

約数和(自身を除く): 698468085

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 251, 567, 753, 1757, 2259, 5271, 6777, 6871, 15813, 20331, 20613, 47439, 48097, 61839, 142317, 144291, 185517, 432873, 556551, 1298619, 1724621, 3895857, 5173863, 12072347, 15521589, 36217041, 46564767, 108651123, 139694301, 325953369, 977860107]

約数ペア:

[(1, 977860107), (3, 325953369), (7, 139694301), (9, 108651123), (21, 46564767), (27, 36217041), (63, 15521589), (81, 12072347), (189, 5173863), (251, 3895857), (567, 1724621), (753, 1298619), (1757, 556551), (2259, 432873), (5271, 185517), (6777, 144291), (6871, 142317), (15813, 61839), (20331, 48097), (20613, 47439)]