8021391

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7207}}^1$

素因数の和:7270

約数の個数: 16

約数和(自身を含む): 12455424

約数和(自身を除く): 4434033

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 7207, 21621, 50449, 151347, 381971, 1145913, 2673797, 8021391]

約数ペア:

[(1, 8021391), (3, 2673797), (7, 1145913), (21, 381971), (53, 151347), (159, 50449), (371, 21621), (1113, 7207)]