311911239

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 449574400

約数和(自身を除く): 137663161

約数列:

[1, 3, 19, 57, 61, 109, 183, 327, 823, 1159, 2071, 2469, 3477, 6213, 6649, 15637, 19947, 46911, 50203, 89707, 126331, 150609, 269121, 378993, 953857, 1704433, 2861571, 5113299, 5472127, 16416381, 103970413, 311911239]

約数ペア:

[(1, 311911239), (3, 103970413), (19, 16416381), (57, 5472127), (61, 5113299), (109, 2861571), (183, 1704433), (327, 953857), (823, 378993), (1159, 269121), (2071, 150609), (2469, 126331), (3477, 89707), (6213, 50203), (6649, 46911), (15637, 19947)]