208473255

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 370150560

約数和(自身を除く): 161677305

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 233, 295, 337, 531, 699, 885, 1011, 1165, 1685, 2097, 2655, 3033, 3495, 5055, 10485, 13747, 15165, 19883, 41241, 59649, 68735, 78521, 99415, 123723, 178947, 206205, 235563, 298245, 392605, 618615, 706689, 894735, 1177815, 3533445, 4632739, 13898217, 23163695, 41694651, 69491085, 208473255]

約数ペア:

[(1, 208473255), (3, 69491085), (5, 41694651), (9, 23163695), (15, 13898217), (45, 4632739), (59, 3533445), (177, 1177815), (233, 894735), (295, 706689), (337, 618615), (531, 392605), (699, 298245), (885, 235563), (1011, 206205), (1165, 178947), (1685, 123723), (2097, 99415), (2655, 78521), (3033, 68735), (3495, 59649), (5055, 41241), (10485, 19883), (13747, 15165)]