1207311

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 1926144

約数和(自身を除く): 718833

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 191, 301, 573, 903, 1337, 2107, 4011, 6321, 8213, 9359, 24639, 28077, 57491, 172473, 402437, 1207311]

約数ペア:

[(1, 1207311), (3, 402437), (7, 172473), (21, 57491), (43, 28077), (49, 24639), (129, 9359), (147, 8213), (191, 6321), (301, 4011), (573, 2107), (903, 1337)]