66742641

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9901}}^1$

素因数の和:10021

約数の個数: 24

約数和(自身を含む): 111219264

約数和(自身を除く): 44476623

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 9901, 29703, 69307, 89109, 207921, 623763, 1059407, 3178221, 7415849, 9534663, 22247547, 66742641]

約数ペア:

[(1, 66742641), (3, 22247547), (7, 9534663), (9, 7415849), (21, 3178221), (63, 1059407), (107, 623763), (321, 207921), (749, 89109), (963, 69307), (2247, 29703), (6741, 9901)]