1978209

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{1787}}^1$

素因数の和:1837

約数の個数: 16

約数和(自身を含む): 3003840

約数和(自身を除く): 1025631

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 1787, 5361, 16083, 48249, 73267, 219801, 659403, 1978209]

約数ペア:

[(1, 1978209), (3, 659403), (9, 219801), (27, 73267), (41, 48249), (123, 16083), (369, 5361), (1107, 1787)]