31128978531

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 48698496000

約数和(自身を除く): 17569517469

約数列:

[1, 3, 7, 21, 107, 109, 149, 321, 327, 447, 749, 763, 853, 1043, 2247, 2289, 2559, 3129, 5971, 11663, 15943, 16241, 17913, 34989, 47829, 48723, 81641, 91271, 92977, 111601, 113687, 127097, 244923, 273813, 278931, 334803, 341061, 381291, 638897, 650839, 889679, 1737787, 1916691, 1952517, 2669037, 5213361, 9948539, 12164509, 13599379, 13853573, 29845617, 36493527, 40798137, 41560719, 69639773, 95195653, 96975011, 208919319, 285586959, 290925033, 1482332311, 4446996933, 10376326177, 31128978531]

約数ペア:

[(1, 31128978531), (3, 10376326177), (7, 4446996933), (21, 1482332311), (107, 290925033), (109, 285586959), (149, 208919319), (321, 96975011), (327, 95195653), (447, 69639773), (749, 41560719), (763, 40798137), (853, 36493527), (1043, 29845617), (2247, 13853573), (2289, 13599379), (2559, 12164509), (3129, 9948539), (5971, 5213361), (11663, 2669037), (15943, 1952517), (16241, 1916691), (17913, 1737787), (34989, 889679), (47829, 650839), (48723, 638897), (81641, 381291), (91271, 341061), (92977, 334803), (111601, 278931), (113687, 273813), (127097, 244923)]