201053321

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 243876096

約数和(自身を除く): 42822775

約数列:

[1, 7, 31, 49, 107, 217, 749, 1237, 1519, 3317, 5243, 8659, 23219, 38347, 60613, 132359, 162533, 268429, 926513, 1879003, 4103129, 6485591, 28721903, 201053321]

約数ペア:

[(1, 201053321), (7, 28721903), (31, 6485591), (49, 4103129), (107, 1879003), (217, 926513), (749, 268429), (1237, 162533), (1519, 132359), (3317, 60613), (5243, 38347), (8659, 23219)]