201801600021

素因数分解:

$3^1\times 7^1\times {\mathrm{2549}}^1\times {\mathrm{3769949}}^1$

素因数の和:3772508

約数の個数: 16

約数和(自身を含む): 307627920000

約数和(自身を除く): 105826319979

約数列:

[1, 3, 7, 21, 2549, 7647, 17843, 53529, 3769949, 11309847, 26389643, 79168929, 9609600001, 28828800003, 67267200007, 201801600021]

約数ペア:

[(1, 201801600021), (3, 67267200007), (7, 28828800003), (21, 9609600001), (2549, 79168929), (7647, 26389643), (17843, 11309847), (53529, 3769949)]