81507777

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3793}}^1$

素因数の和:3857

約数の個数: 32

約数和(自身を含む): 127478400

約数和(自身を除く): 45970623

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1653, 3793, 7163, 11379, 21489, 49309, 72067, 109997, 147927, 216201, 329991, 936871, 1429961, 2089943, 2810613, 4289883, 6269829, 27169259, 81507777]

約数ペア:

[(1, 81507777), (3, 27169259), (13, 6269829), (19, 4289883), (29, 2810613), (39, 2089943), (57, 1429961), (87, 936871), (247, 329991), (377, 216201), (551, 147927), (741, 109997), (1131, 72067), (1653, 49309), (3793, 21489), (7163, 11379)]