55428075

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 107881488

約数和(自身を除く): 52453413

約数列:

[1, 3, 5, 9, 15, 17, 25, 43, 45, 51, 75, 85, 129, 153, 215, 225, 255, 337, 387, 425, 645, 731, 765, 1011, 1075, 1275, 1685, 1935, 2193, 3033, 3225, 3655, 3825, 5055, 5729, 6579, 8425, 9675, 10965, 14491, 15165, 17187, 18275, 25275, 28645, 32895, 43473, 51561, 54825, 72455, 75825, 85935, 130419, 143225, 164475, 217365, 246347, 257805, 362275, 429675, 652095, 739041, 1086825, 1231735, 1289025, 2217123, 3260475, 3695205, 6158675, 11085615, 18476025, 55428075]

約数ペア:

[(1, 55428075), (3, 18476025), (5, 11085615), (9, 6158675), (15, 3695205), (17, 3260475), (25, 2217123), (43, 1289025), (45, 1231735), (51, 1086825), (75, 739041), (85, 652095), (129, 429675), (153, 362275), (215, 257805), (225, 246347), (255, 217365), (337, 164475), (387, 143225), (425, 130419), (645, 85935), (731, 75825), (765, 72455), (1011, 54825), (1075, 51561), (1275, 43473), (1685, 32895), (1935, 28645), (2193, 25275), (3033, 18275), (3225, 17187), (3655, 15165), (3825, 14491), (5055, 10965), (5729, 9675), (6579, 8425)]