227816991

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 333590400

約数和(自身を除く): 105773409

約数列:

[1, 3, 9, 131, 199, 393, 597, 971, 1179, 1791, 2913, 8739, 26069, 78207, 127201, 193229, 234621, 381603, 579687, 1144809, 1739061, 25312999, 75938997, 227816991]

約数ペア:

[(1, 227816991), (3, 75938997), (9, 25312999), (131, 1739061), (199, 1144809), (393, 579687), (597, 381603), (971, 234621), (1179, 193229), (1791, 127201), (2913, 78207), (8739, 26069)]