1384209

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 20

約数和(自身を含む): 2160576

約数和(自身を除く): 776367

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 743, 1863, 2229, 6687, 17089, 20061, 51267, 60183, 153801, 461403, 1384209]

約数ペア:

[(1, 1384209), (3, 461403), (9, 153801), (23, 60183), (27, 51267), (69, 20061), (81, 17089), (207, 6687), (621, 2229), (743, 1863)]