81025785

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1083

約数の個数: 64

約数和(自身を含む): 156672000

約数和(自身を除く): 75646215

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 279, 285, 465, 513, 589, 837, 855, 1019, 1395, 1767, 2565, 2945, 3057, 4185, 5095, 5301, 8835, 9171, 15285, 15903, 19361, 26505, 27513, 31589, 45855, 58083, 79515, 94767, 96805, 137565, 157945, 174249, 284301, 290415, 473835, 522747, 600191, 852903, 871245, 1421505, 1800573, 2613735, 3000955, 4264515, 5401719, 9002865, 16205157, 27008595, 81025785]

約数ペア:

[(1, 81025785), (3, 27008595), (5, 16205157), (9, 9002865), (15, 5401719), (19, 4264515), (27, 3000955), (31, 2613735), (45, 1800573), (57, 1421505), (93, 871245), (95, 852903), (135, 600191), (155, 522747), (171, 473835), (279, 290415), (285, 284301), (465, 174249), (513, 157945), (589, 137565), (837, 96805), (855, 94767), (1019, 79515), (1395, 58083), (1767, 45855), (2565, 31589), (2945, 27513), (3057, 26505), (4185, 19361), (5095, 15903), (5301, 15285), (8835, 9171)]