31226139

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1373}}^1$

素因数の和:1424

約数の個数: 36

約数和(自身を含む): 54443376

約数和(自身を除く): 23217237

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 1373, 2527, 3249, 4119, 7581, 9611, 12357, 22743, 26087, 28833, 78261, 86499, 182609, 234783, 495653, 547827, 1486959, 1643481, 3469571, 4460877, 10408713, 31226139]

約数ペア:

[(1, 31226139), (3, 10408713), (7, 4460877), (9, 3469571), (19, 1643481), (21, 1486959), (57, 547827), (63, 495653), (133, 234783), (171, 182609), (361, 86499), (399, 78261), (1083, 28833), (1197, 26087), (1373, 22743), (2527, 12357), (3249, 9611), (4119, 7581)]