27078261

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 42713088

約数和(自身を除く): 15634827

約数列:

[1, 3, 7, 21, 43, 129, 157, 191, 301, 471, 573, 903, 1099, 1337, 3297, 4011, 6751, 8213, 20253, 24639, 29987, 47257, 57491, 89961, 141771, 172473, 209909, 629727, 1289441, 3868323, 9026087, 27078261]

約数ペア:

[(1, 27078261), (3, 9026087), (7, 3868323), (21, 1289441), (43, 629727), (129, 209909), (157, 172473), (191, 141771), (301, 89961), (471, 57491), (573, 47257), (903, 29987), (1099, 24639), (1337, 20253), (3297, 8213), (4011, 6751)]