2220057

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 3706560

約数和(自身を除く): 1486503

約数列:

[1, 3, 7, 9, 21, 63, 131, 269, 393, 807, 917, 1179, 1883, 2421, 2751, 5649, 8253, 16947, 35239, 105717, 246673, 317151, 740019, 2220057]

約数ペア:

[(1, 2220057), (3, 740019), (7, 317151), (9, 246673), (21, 105717), (63, 35239), (131, 16947), (269, 8253), (393, 5649), (807, 2751), (917, 2421), (1179, 1883)]