28437201

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6569}}^1$

素因数の和:6625

約数の個数: 24

約数和(自身を含む): 45438120

約数和(自身を除く): 17000919

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 6569, 19707, 59121, 85397, 243053, 256191, 729159, 768573, 2187477, 3159689, 9479067, 28437201]

約数ペア:

[(1, 28437201), (3, 9479067), (9, 3159689), (13, 2187477), (37, 768573), (39, 729159), (111, 256191), (117, 243053), (333, 85397), (481, 59121), (1443, 19707), (4329, 6569)]