1981503

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1468

約数の個数: 20

約数和(自身を含む): 3136320

約数和(自身を除く): 1154817

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1439, 4317, 12951, 24463, 38853, 73389, 116559, 220167, 660501, 1981503]

約数ペア:

[(1, 1981503), (3, 660501), (9, 220167), (17, 116559), (27, 73389), (51, 38853), (81, 24463), (153, 12951), (459, 4317), (1377, 1439)]