121211105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{8539}}^1$

素因数の和:8728

約数の個数: 16

約数和(自身を含む): 154949760

約数和(自身を除く): 33738655

約数列:

[1, 5, 17, 85, 167, 835, 2839, 8539, 14195, 42695, 145163, 725815, 1426013, 7130065, 24242221, 121211105]

約数ペア:

[(1, 121211105), (5, 24242221), (17, 7130065), (85, 1426013), (167, 725815), (835, 145163), (2839, 42695), (8539, 14195)]