27784407

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 17074473

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1061, 1247, 3183, 3741, 7427, 8729, 22281, 26187, 30769, 45623, 92307, 136869, 215383, 319361, 646149, 958083, 1323067, 3969201, 9261469, 27784407]

約数ペア:

[(1, 27784407), (3, 9261469), (7, 3969201), (21, 1323067), (29, 958083), (43, 646149), (87, 319361), (129, 215383), (203, 136869), (301, 92307), (609, 45623), (903, 30769), (1061, 26187), (1247, 22281), (3183, 8729), (3741, 7427)]