137298245

素因数分解:

$5^1\times 7^2\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 192171168

約数和(自身を除く): 54872923

約数列:

[1, 5, 7, 35, 49, 245, 691, 811, 3455, 4055, 4837, 5677, 24185, 28385, 33859, 39739, 169295, 198695, 560401, 2802005, 3922807, 19614035, 27459649, 137298245]

約数ペア:

[(1, 137298245), (5, 27459649), (7, 19614035), (35, 3922807), (49, 2802005), (245, 560401), (691, 198695), (811, 169295), (3455, 39739), (4055, 33859), (4837, 28385), (5677, 24185)]