218215539

素因数分解:

$3^4\times {\mathrm{673}}^1\times {\mathrm{4003}}^1$

素因数の和:4688

約数の個数: 20

約数和(自身を含む): 326542216

約数和(自身を除く): 108326677

約数列:

[1, 3, 9, 27, 81, 673, 2019, 4003, 6057, 12009, 18171, 36027, 54513, 108081, 324243, 2694019, 8082057, 24246171, 72738513, 218215539]

約数ペア:

[(1, 218215539), (3, 72738513), (9, 24246171), (27, 8082057), (81, 2694019), (673, 324243), (2019, 108081), (4003, 54513), (6057, 36027), (12009, 18171)]