31318755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6983}}^1$

素因数の和:7027

約数の個数: 32

約数和(自身を含む): 56318976

約数和(自身を除く): 25000221

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6983, 20949, 34915, 90779, 104745, 160609, 272337, 453895, 481827, 803045, 1361685, 2087917, 2409135, 6263751, 10439585, 31318755]

約数ペア:

[(1, 31318755), (3, 10439585), (5, 6263751), (13, 2409135), (15, 2087917), (23, 1361685), (39, 803045), (65, 481827), (69, 453895), (115, 272337), (195, 160609), (299, 104745), (345, 90779), (897, 34915), (1495, 20949), (4485, 6983)]