248036715

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 504299520

約数和(自身を除く): 256262805

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 37, 45, 51, 69, 85, 111, 115, 127, 135, 153, 185, 207, 255, 333, 345, 381, 391, 459, 555, 621, 629, 635, 765, 851, 999, 1035, 1143, 1173, 1665, 1887, 1905, 1955, 2159, 2295, 2553, 2921, 3105, 3145, 3429, 3519, 4255, 4699, 4995, 5661, 5715, 5865, 6477, 7659, 8763, 9435, 10557, 10795, 12765, 14097, 14467, 14605, 16983, 17145, 17595, 19431, 22977, 23495, 26289, 28305, 32385, 38295, 42291, 43401, 43815, 49657, 52785, 58293, 70485, 72335, 78867, 79883, 84915, 97155, 108077, 114885, 126873, 130203, 131445, 148971, 211455, 217005, 239649, 248285, 291465, 324231, 390609, 394335, 399415, 446913, 540385, 634365, 651015, 718947, 744855, 972693, 1198245, 1340739, 1621155, 1837309, 1953045, 2156841, 2234565, 2918079, 3594735, 4863465, 5511927, 6703695, 9186545, 10784205, 14590395, 16535781, 27559635, 49607343, 82678905, 248036715]

約数ペア:

[(1, 248036715), (3, 82678905), (5, 49607343), (9, 27559635), (15, 16535781), (17, 14590395), (23, 10784205), (27, 9186545), (37, 6703695), (45, 5511927), (51, 4863465), (69, 3594735), (85, 2918079), (111, 2234565), (115, 2156841), (127, 1953045), (135, 1837309), (153, 1621155), (185, 1340739), (207, 1198245), (255, 972693), (333, 744855), (345, 718947), (381, 651015), (391, 634365), (459, 540385), (555, 446913), (621, 399415), (629, 394335), (635, 390609), (765, 324231), (851, 291465), (999, 248285), (1035, 239649), (1143, 217005), (1173, 211455), (1665, 148971), (1887, 131445), (1905, 130203), (1955, 126873), (2159, 114885), (2295, 108077), (2553, 97155), (2921, 84915), (3105, 79883), (3145, 78867), (3429, 72335), (3519, 70485), (4255, 58293), (4699, 52785), (4995, 49657), (5661, 43815), (5715, 43401), (5865, 42291), (6477, 38295), (7659, 32385), (8763, 28305), (9435, 26289), (10557, 23495), (10795, 22977), (12765, 19431), (14097, 17595), (14467, 17145), (14605, 16983)]