81332031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 123667200

約数和(自身を除く): 42335169

約数列:

[1, 3, 11, 33, 37, 59, 111, 177, 407, 649, 1129, 1221, 1947, 2183, 3387, 6549, 12419, 24013, 37257, 41773, 66611, 72039, 125319, 199833, 459503, 732721, 1378509, 2198163, 2464607, 7393821, 27110677, 81332031]

約数ペア:

[(1, 81332031), (3, 27110677), (11, 7393821), (33, 2464607), (37, 2198163), (59, 1378509), (111, 732721), (177, 459503), (407, 199833), (649, 125319), (1129, 72039), (1221, 66611), (1947, 41773), (2183, 37257), (3387, 24013), (6549, 12419)]