25727247

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 48348160

約数和(自身を除く): 22620913

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 283, 333, 351, 481, 777, 819, 849, 999, 1443, 1981, 2331, 2457, 2547, 3367, 3679, 4329, 5943, 6993, 7641, 10101, 10471, 11037, 12987, 17829, 25753, 30303, 31413, 33111, 53487, 73297, 77259, 90909, 94239, 99333, 136123, 219891, 231777, 282717, 408369, 659673, 695331, 952861, 1225107, 1979019, 2858583, 3675321, 8575749, 25727247]

約数ペア:

[(1, 25727247), (3, 8575749), (7, 3675321), (9, 2858583), (13, 1979019), (21, 1225107), (27, 952861), (37, 695331), (39, 659673), (63, 408369), (91, 282717), (111, 231777), (117, 219891), (189, 136123), (259, 99333), (273, 94239), (283, 90909), (333, 77259), (351, 73297), (481, 53487), (777, 33111), (819, 31413), (849, 30303), (999, 25753), (1443, 17829), (1981, 12987), (2331, 11037), (2457, 10471), (2547, 10101), (3367, 7641), (3679, 6993), (4329, 5943)]