155919995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{3347}}^1$

素因数の和:3392

約数の個数: 32

約数和(自身を含む): 235270656

約数和(自身を除く): 79350661

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 1331, 3347, 4235, 6655, 9317, 16735, 23429, 36817, 46585, 117145, 184085, 257719, 404987, 1288595, 2024935, 2834909, 4454857, 14174545, 22274285, 31183999, 155919995]

約数ペア:

[(1, 155919995), (5, 31183999), (7, 22274285), (11, 14174545), (35, 4454857), (55, 2834909), (77, 2024935), (121, 1288595), (385, 404987), (605, 257719), (847, 184085), (1331, 117145), (3347, 46585), (4235, 36817), (6655, 23429), (9317, 16735)]