1285392321

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{25229}}^1$

素因数の和:25295

約数の個数: 40

約数和(自身を含む): 2088135720

約数和(自身を除く): 802743399

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 333, 459, 629, 999, 1377, 1887, 2997, 5661, 16983, 25229, 50949, 75687, 227061, 428893, 681183, 933473, 1286679, 2043549, 2800419, 3860037, 8401257, 11580111, 15869041, 25203771, 34740333, 47607123, 75611313, 142821369, 428464107, 1285392321]

約数ペア:

[(1, 1285392321), (3, 428464107), (9, 142821369), (17, 75611313), (27, 47607123), (37, 34740333), (51, 25203771), (81, 15869041), (111, 11580111), (153, 8401257), (333, 3860037), (459, 2800419), (629, 2043549), (999, 1286679), (1377, 933473), (1887, 681183), (2997, 428893), (5661, 227061), (16983, 75687), (25229, 50949)]