201326931

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{809}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 322056000

約数和(自身を除く): 120729069

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 709, 809, 2127, 2427, 6381, 7281, 9217, 10517, 19143, 21843, 27651, 31551, 82953, 94653, 248859, 283959, 573581, 1720743, 5162229, 7456553, 15486687, 22369659, 67108977, 201326931]

約数ペア:

[(1, 201326931), (3, 67108977), (9, 22369659), (13, 15486687), (27, 7456553), (39, 5162229), (117, 1720743), (351, 573581), (709, 283959), (809, 248859), (2127, 94653), (2427, 82953), (6381, 31551), (7281, 27651), (9217, 21843), (10517, 19143)]