78205779

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2011}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 117702000

約数和(自身を除く): 39496221

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 1341, 2011, 4321, 6033, 12963, 18099, 38889, 58319, 174957, 299639, 524871, 898917, 2696751, 8689531, 26068593, 78205779]

約数ペア:

[(1, 78205779), (3, 26068593), (9, 8689531), (29, 2696751), (87, 898917), (149, 524871), (261, 299639), (447, 174957), (1341, 58319), (2011, 38889), (4321, 18099), (6033, 12963)]