40549989

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 58798080

約数和(自身を除く): 18248091

約数列:

[1, 3, 23, 43, 69, 79, 129, 173, 237, 519, 989, 1817, 2967, 3397, 3979, 5451, 7439, 10191, 11937, 13667, 22317, 41001, 78131, 171097, 234393, 314341, 513291, 587681, 943023, 1763043, 13516663, 40549989]

約数ペア:

[(1, 40549989), (3, 13516663), (23, 1763043), (43, 943023), (69, 587681), (79, 513291), (129, 314341), (173, 234393), (237, 171097), (519, 78131), (989, 41001), (1817, 22317), (2967, 13667), (3397, 11937), (3979, 10191), (5451, 7439)]