287767179

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12653}}^1$

素因数の和:12704

約数の個数: 36

約数和(自身を含む): 501402096

約数和(自身を除く): 213634917

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 3249, 7581, 12653, 22743, 37959, 88571, 113877, 240407, 265713, 721221, 797139, 1682849, 2163663, 4567733, 5048547, 13703199, 15145641, 31974131, 41109597, 95922393, 287767179]

約数ペア:

[(1, 287767179), (3, 95922393), (7, 41109597), (9, 31974131), (19, 15145641), (21, 13703199), (57, 5048547), (63, 4567733), (133, 2163663), (171, 1682849), (361, 797139), (399, 721221), (1083, 265713), (1197, 240407), (2527, 113877), (3249, 88571), (7581, 37959), (12653, 22743)]