27919899

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 21500901

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 131, 153, 199, 357, 393, 597, 917, 1071, 1179, 1393, 1791, 2227, 2751, 3383, 4179, 6681, 8253, 10149, 12537, 15589, 20043, 23681, 26069, 30447, 46767, 71043, 78207, 140301, 182483, 213129, 234621, 443173, 547449, 1329519, 1642347, 3102211, 3988557, 9306633, 27919899]

約数ペア:

[(1, 27919899), (3, 9306633), (7, 3988557), (9, 3102211), (17, 1642347), (21, 1329519), (51, 547449), (63, 443173), (119, 234621), (131, 213129), (153, 182483), (199, 140301), (357, 78207), (393, 71043), (597, 46767), (917, 30447), (1071, 26069), (1179, 23681), (1393, 20043), (1791, 15589), (2227, 12537), (2751, 10149), (3383, 8253), (4179, 6681)]