31218363

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 50210160

約数和(自身を除く): 18991797

約数列:

[1, 3, 9, 11, 33, 99, 109, 121, 263, 327, 363, 789, 981, 1089, 1199, 2367, 2893, 3597, 8679, 10791, 13189, 26037, 28667, 31823, 39567, 86001, 95469, 118701, 258003, 286407, 315337, 946011, 2838033, 3468707, 10406121, 31218363]

約数ペア:

[(1, 31218363), (3, 10406121), (9, 3468707), (11, 2838033), (33, 946011), (99, 315337), (109, 286407), (121, 258003), (263, 118701), (327, 95469), (363, 86001), (789, 39567), (981, 31823), (1089, 28667), (1199, 26037), (2367, 13189), (2893, 10791), (3597, 8679)]