221330571

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{958141}}^1$

素因数の和:958162

約数の個数: 16

約数和(自身を含む): 367926528

約数和(自身を除く): 146595957

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 958141, 2874423, 6706987, 10539551, 20120961, 31618653, 73776857, 221330571]

約数ペア:

[(1, 221330571), (3, 73776857), (7, 31618653), (11, 20120961), (21, 10539551), (33, 6706987), (77, 2874423), (231, 958141)]