27919857

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 44492800

約数和(自身を除く): 16572943

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 631, 903, 1029, 1893, 2107, 4417, 6321, 13251, 14749, 27133, 30919, 44247, 81399, 92757, 189931, 216433, 569793, 649299, 1329517, 3988551, 9306619, 27919857]

約数ペア:

[(1, 27919857), (3, 9306619), (7, 3988551), (21, 1329517), (43, 649299), (49, 569793), (129, 216433), (147, 189931), (301, 92757), (343, 81399), (631, 44247), (903, 30919), (1029, 27133), (1893, 14749), (2107, 13251), (4417, 6321)]