28125735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 25456089

約数列:

[1, 3, 5, 11, 15, 17, 33, 37, 51, 55, 85, 111, 165, 185, 187, 255, 271, 407, 555, 561, 629, 813, 935, 1221, 1355, 1887, 2035, 2805, 2981, 3145, 4065, 4607, 6105, 6919, 8943, 9435, 10027, 13821, 14905, 20757, 23035, 30081, 34595, 44715, 50135, 50677, 69105, 103785, 110297, 150405, 152031, 170459, 253385, 330891, 511377, 551485, 760155, 852295, 1654455, 1875049, 2556885, 5625147, 9375245, 28125735]

約数ペア:

[(1, 28125735), (3, 9375245), (5, 5625147), (11, 2556885), (15, 1875049), (17, 1654455), (33, 852295), (37, 760155), (51, 551485), (55, 511377), (85, 330891), (111, 253385), (165, 170459), (185, 152031), (187, 150405), (255, 110297), (271, 103785), (407, 69105), (555, 50677), (561, 50135), (629, 44715), (813, 34595), (935, 30081), (1221, 23035), (1355, 20757), (1887, 14905), (2035, 13821), (2805, 10027), (2981, 9435), (3145, 8943), (4065, 6919), (4607, 6105)]