31499013

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 22279803

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 311, 371, 637, 689, 933, 1113, 1911, 2067, 2177, 2597, 4043, 4823, 6531, 7791, 12129, 14469, 15239, 16483, 28301, 33761, 45717, 49449, 84903, 101283, 115381, 198107, 214279, 346143, 594321, 642837, 807667, 1499953, 2423001, 4499859, 10499671, 31499013]

約数ペア:

[(1, 31499013), (3, 10499671), (7, 4499859), (13, 2423001), (21, 1499953), (39, 807667), (49, 642837), (53, 594321), (91, 346143), (147, 214279), (159, 198107), (273, 115381), (311, 101283), (371, 84903), (637, 49449), (689, 45717), (933, 33761), (1113, 28301), (1911, 16483), (2067, 15239), (2177, 14469), (2597, 12129), (4043, 7791), (4823, 6531)]