51511005

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 114912000

約数和(自身を除く): 63400995

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 91, 105, 117, 135, 147, 189, 195, 245, 273, 315, 351, 441, 455, 585, 599, 637, 735, 819, 945, 1323, 1365, 1755, 1797, 1911, 2205, 2457, 2995, 3185, 4095, 4193, 5391, 5733, 6615, 7787, 8985, 9555, 12285, 12579, 16173, 17199, 20965, 23361, 26955, 28665, 29351, 37737, 38935, 54509, 62895, 70083, 80865, 85995, 88053, 113211, 116805, 146755, 163527, 188685, 210249, 264159, 272545, 350415, 381563, 440265, 490581, 566055, 792477, 817635, 1051245, 1144689, 1320795, 1471743, 1907815, 2452905, 3434067, 3962385, 5723445, 7358715, 10302201, 17170335, 51511005]

約数ペア:

[(1, 51511005), (3, 17170335), (5, 10302201), (7, 7358715), (9, 5723445), (13, 3962385), (15, 3434067), (21, 2452905), (27, 1907815), (35, 1471743), (39, 1320795), (45, 1144689), (49, 1051245), (63, 817635), (65, 792477), (91, 566055), (105, 490581), (117, 440265), (135, 381563), (147, 350415), (189, 272545), (195, 264159), (245, 210249), (273, 188685), (315, 163527), (351, 146755), (441, 116805), (455, 113211), (585, 88053), (599, 85995), (637, 80865), (735, 70083), (819, 62895), (945, 54509), (1323, 38935), (1365, 37737), (1755, 29351), (1797, 28665), (1911, 26955), (2205, 23361), (2457, 20965), (2995, 17199), (3185, 16173), (4095, 12579), (4193, 12285), (5391, 9555), (5733, 8985), (6615, 7787)]