31480251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 16419909

約数列:

[1, 3, 11, 33, 41, 53, 123, 159, 439, 451, 583, 1317, 1353, 1749, 2173, 4829, 6519, 14487, 17999, 23267, 23903, 53997, 69801, 71709, 197989, 255937, 593967, 767811, 953947, 2861841, 10493417, 31480251]

約数ペア:

[(1, 31480251), (3, 10493417), (11, 2861841), (33, 953947), (41, 767811), (53, 593967), (123, 255937), (159, 197989), (439, 71709), (451, 69801), (583, 53997), (1317, 23903), (1353, 23267), (1749, 17999), (2173, 14487), (4829, 6519)]