1285494021

素因数分解:

$3^2\times 7^1\times {\mathrm{967}}^1\times {\mathrm{21101}}^1$

素因数の和:22081

約数の個数: 24

約数和(自身を含む): 2124380544

約数和(自身を除く): 838886523

約数列:

[1, 3, 7, 9, 21, 63, 967, 2901, 6769, 8703, 20307, 21101, 60921, 63303, 147707, 189909, 443121, 1329363, 20404667, 61214001, 142832669, 183642003, 428498007, 1285494021]

約数ペア:

[(1, 1285494021), (3, 428498007), (7, 183642003), (9, 142832669), (21, 61214001), (63, 20404667), (967, 1329363), (2901, 443121), (6769, 189909), (8703, 147707), (20307, 63303), (21101, 60921)]